Introduction To Analytical Chemistry || 11th Chemistry || Chapter 2 Part 3 #neet @a2zpractical991

Here, the liquid reaches this far—what is this child? He was quite important. The last one is not the secant; the last one is very important because... Why is it so important? Watch carefully. If it's a significant figure, then four will appear. Look at this one. What did I tell you in D? Hello, kids, how are you all? I think you must be having a great time in your life. You must surely be watching the A to Z practicals Because the child, let me tell you about this. All the videos of your entire syllabus Practicals videos are available So I'm starting today's chapter for you. Son, his alderi two parts It has been completed, so I'm starting now. Here is Chapter Number Two of 11th Chemistry Introduction to Analytical Chemistry, and I'm telling you, kid I tore it into two parts. Done it. If you haven't seen it yet, first watch that one. Come and see both parts again, this part once more Just sit down, then let's go. Today we'll do our The child starting had his part number with him. And the part number was very, very good concepts like significance What comes next in the figure, round of values What is all this, son? Us Those who look at you so beautifully are you All your attention should be on me. otherwise this will help you understand the concept Your part number is chapter number. Introduction to Analytical Chemistry He is saving you. significance figure I must definitely tell you analytical chemist If that observation or reading Calculating, there they weren't, those of theirs Values extend up to the decimal point. If I were to tell you, I'd start getting such numbers as 1.623, like this If numbers are coming, how many numbers should we take regarding how many points? The point is, how many numbers to take and why those specific numbers should be taken—this entire aspect data today we are going to read because if you talk about points, if you take numbers carefully then It is an accurate number for you, and this is what it indicates in significant figures. It is the significant figure that indicates the accurate number; if you don't know You seem to understand, I'm just showing you some examples here. As you see, I have a value like 1.246 and another value 1.20 If I add this, then what result will I get here? 6 will appear here. 4 Here will come 2 to 4 Here will come, and 112 will come like this, so we have How will we know up to how many digits we need to count this? Like, for me, if I... If I'm rounding it, I could also write it as 2.4; why not the subsequent numbers? Whether I go or not is up to me, but how will you know, or how will I know? It will be explained within the significance of the digit, the very numbers being taken. Let's see what the significance digit is. The digit that is your significance digit is in this case One of your digits is actual, and the digit after the points is uncertain. Now this uncertain What are digits? Let me tell you some examples. Just look carefully, okay? I'm here. I went to the lab to conduct an experiment, and here I have a child, a burette, and in this burette here Here it is 11, and here there are some numbers, like between 10 and 11, some numbers will be, like 10.1, 10.2 There will be some numbers like 10.34, and the liquid here is filled up to this point. What is the liquid filled up to here? The child is filled. Now, if I ask you This liquid here is empty, so you say "liquid level" — you can see where the liquid level is, it's between 10.2 and 10.3. Meaning, if you took a 10.2, this could potentially be problematic. Because it is liquid between 10.2 and 10.3 There's a chance an error might occur there. What's there, kid? An error. My reading is 10, that's fixed. I know it's my actual reading, it's a perfect reading. But the point I'm making is that the child is here A 10.1 and 10.2, I am doing 10.2 There is a problem; this is my doubtful reading. But here, here, the water label You're looking at it, but it's not touching 10.2 We are touching this libel between 10.2 and 10.3 Why, we've got a dubious reading here. We praise You, O Lord, in this sacred act. This is your actual reading, and this is your dotful dotful reading. This could be anything, even if your 10.2, 1, 3, 6 are whatever they may be. If we weren't going to take you along, we'd have taken this picnic with the aid of that dividend. First, what reading should you do for the initial reading? As you see, I received some values from Malo 2.468 This number came out so large So now, what will be the significance figure in this? Let me tell you, please look carefully. That 2.2 is your exact number, the actual number. And 4 is your dotful reading. Now, this dotful reading requires you to take one. Because what does significance even mean but that your actual reading will remain And the second child will remain, your dotful reading will remain And if you have taken an actual number and a dotful reading That's exactly what a child's significance figure is. Don't you all understand what a significance figure is? Always remember after the points I mean, after the points, if you take up to the first digit So all these numbers become your significance numbers. So, is it clear to you now what a significance figure is? So it's fine, there won't be any rules for identification. He is a well-known figure. You shouldn't be stuck in significance after this. A big name, then the nameless rule is there What comes after this bad point? If there's a zero between the digits of your number, son, that zero will be part of your significant figures. For example, if you want more examples, I can tell you. Here, look: 6.002. If I ask you, tell me how many significant figures are in this number? Significant figures, sir, then you can easily tell me, these two are from my number. If a zero appears in between these numbers, will they also become significant? If you see something like this—zero four zero zero—listen carefully for a minute, two to one, okay? Now, look here. There's a zero showing on the side from my number, so if I ask you to tell me, is the child significant here? Figure, how many? You'll say only three, sir: 123. And if a zero appears before the number, what would that be for you? It's been said that if zero were to appear in any of the figures, then they wouldn't be considered significant, right? So here, even though there are three significant figures, you won't count it, right? Let's see the next one. Let me tell you about it—check it out, if your zero right side appears, look at it. Bhadu is significant, which I will tell you If asked to state how many significant figures there are in this, you can easily say, "Sir, right-hand side." After the decimal point, if there is a zero, what are those called? Meaning, how many significant figures will there be here? One, two, three. You're taking the zero on the left side—does it indicate anything? Please explain. I provide the solution here, just like you gave it: 36.42 into 10 to 21, something like that, just like that, something like that which is In scientific notation, 10 to the power of however many digits you have, so whatever number comes, you'll give it to everyone. Who is the best among the Masals, the one who has attained the highest state of spiritual discipline, the one who has realized the divine truth, the one who has achieved the ultimate goal, the one who has attained the supreme grace, the one who has reached the highest level of devotion, the one who has become the embodiment of divine love? After the decimal point, if any zero appears, you must count it, as shown here: how many significant figures are there? One to five—after the decimal point, there is a zero, so you must count this zero. You must not count these two zeros. Tihar of round figures and let's see what round figures are, like I've already explained this concept to you, kid, I'm now explaining it to you I'll also explain the concept round, but just make sure you're fully focused on me, okay? All right, go ahead then. We do round figures. You see, our next topic is and what are round figures before starting The next signifier falls upon you, figure, then some, some, some soul takes it, we see whether it comes to us or not, you too, if you are If you have the book, please go through it once—you'll really enjoy it, okay? Alright, let me tell you. Okay, look here, yes, I've presented the significance figures for the following measurements. Now, you people can write down the answers to the first few questions. The current figures are these; let's try something else. Look at the B side—we've already discussed this. I told you not to take the left side, after the zero points, however many there are Look, all the numbers are visible. So, everything here relates to your sign and your exact D. We'll now examine the D child. Come on, in the D section, you'll have all your doubts completely cleared. Look, what did I tell you? After zero, if anyone... Then the winning numbers will come, all significant counts It will happen, but here too, sir, there's nothing from the number, sir. Here, sir, zero, sir. It says you will not get zero, right? Not zero, you won't get zero. Here, children will get confused. Look, the significant figure that appears here—your one—will come here. The child will come in this amount. Pay very close attention, look carefully. If something like this remains, then you can count one, two, three. But if something like this remains If it's 0.0720, you will swallow the zero after the decimal point, and then count the zero that comes after the digit. He will come, and your significance will be clear. I think your doubt will be cleared now. Okay, that's why I've done this. I'll do everything perfectly here, come on, it's done now. We'll proceed with the evaluation part. In the evaluation, you'll see that there's a value in the scientific notation, then after the points, meaning there's a digit, a digit after the decimal point. In the loop, the amount of money is zero without your loop RP Yes, sir. If this is taken in proper notation, then it's correct. Hey, Bees, Bees It's only when you wake up that you'll realize this child is truly awake. It was a day, so what's the matter? You're not feeling well, are you? Now, in this round of techniques, what happens is, as I was telling you initially, when we receive certain values, we are instructed to take them and perform operations up to a certain point. All these details are clearly explained here, so we are informing you about these values. So here it is being told that okay, your attention please, just focus on us, let's go see. In one minute, pure fire will burn, and then the flame will subside, but the ashes will remain. The pot soup that the child heard, I have received it, brother, you're doing well If you press the KAR key, it will advance the digit by one. You can keep Fib or move Mor, but by rounding it, you can advance one digit. No, don't explain—just give me two minutes here, look at this: as in, I have the number, full point four five six, so, okay. I told you not to round the digit after Jan., nor to round off the number. What are you doing, rounding it off and then rounding it again? Don't do that. If I have to look ahead, then what did I say? Five remains, or six? If any number remains above, then you... If you increase the first digit by one, look, this is the back side, so now I'm going to round it off, so this will be converted into fib, into fib, so this is what rounding off means. If you increase it, this will become your zero, so what will it become? One, so what will the rounded digit be? One, let's take one more example. I wrote down 1256, and I said, "Up to up to the digit." The first cousin is not truthful; he will surely be caught if watched carefully by a child. 123, if you're attracted to this round, then here's your round I have to do it. The child, so the child will have to look at the next digit ahead. So how is this, then how is this This is less than five. Five is more than five. You can increase it a bit more.. Solo, after that, it's less than five, right? You're also sleeping. It will be here on the moon. 1.2 My mother used to say, "How much is too much when it comes to water?" Step 1.2: Let's do the B version, up to 12.56 Rounding up to three digits means 123, for example. Who is the one who, after eating very little, has a lot of food left? Who is the one who, after eating a lot, still feels hungry? Who is the one who, after eating a little, is still full? The child is very hungry, very hungry, and is still eating. You, don't eat too much, child. Please, stop eating. Let's see. 1, 2, 3, 4. I need to round off these 4 digits. So I'll look at the next digit here—what is this? The next digit is greater than 5. If it is greater than fib, then the first digit What will you do with a number? Increase it by one, two, and what will this become? Your two, so this has become your round. What has become your round? Everyone understands, right? Let's take one more example. Last cost, here, here, the D part, let's go, two, two, one, paw So I'll look at the next digit here; it's five, and if it's five or more, what do you do? If it's five or more, what do you do? The child has to increase the previous digit by one number. Okay, let's go. If you keep watching the videos in the queue that are currently trending, you'll end up spending a lot of time on them, just as you used to spend a lot of time on videos that were trending on your feed. Kartakiyo