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Uncertainty in Measurement

Some Basic Concepts of Chemistry
Chemistry
Class 11

Overview

Discuss and analyse significant figures , operations on them and defining terms like precision and accuracy.

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Uncertainty in Measurement

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Dimensional Analysis

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Related questions

Which of the following are basic dimensions?

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Select dimensionless quantity(ies).

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The number of significant figures in is:

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What is the difference between the following?

(i) and
(ii) and .

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What is the difference between accuracy and precision of measurements ?

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Express the following in the scientific notation:
(i) 0.0048
(ii) 234,000
(iii) 8008
(iv) 500.0
(v) 6.0012

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What will be the answer in appropriate significant figures as a result of addition of 3.0223 and 5.041?

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How many significant figures does 0.8900 g have in it?

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The prefix used for denoting an order of magnitude of is:

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A measured mass of an unreactive metal was dropped into a small graduated cylinder half filled with water. The following measurement were made:
Mass of metal
Volume of water before addition of metal
Volume of water after addition of metal
The density of the metal should be reported as:

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