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CBSE Notes 2011-2012 » XI-Chemistry

Some Basic Concepts of Chemistry

Define the term 'unit' of measurement.

Short answer question

Define the term 'unit' of measurement.

What is matter ? Give example.

Short answer question

What is matter ? Give example.

Define an element.

Short answer question

Define an element.

Define compound and give two examples.

Short answer question

Define compound and give two examples.

What are mixtures ? Give an example.

Short answer question

What are mixtures ? Give an example.

Calculate the sum of 7.21, 10.245, 0.0548 in terms of significant figure.

Short answer question

Calculate the sum of 7.21, 10.245, 0.0548 in terms of significant figure.

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