Which postulate of Dalton's atomic theory is the result of law of conservation of mass given by Lavoisier?

Important Questions on Atoms and Molecules

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 6

Which part of the Dalton's atomic theory came from the law of constant proportion given by Proust?

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 7

Which ancient Indian philosopher suggested that all the matters are composed of very small particles? What name was given by him to these particles?

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 8

Name any two laws of chemical combination.

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 9

'If 100 grams of pure water taken from different sources is decomposed by passing electricity, 11 grams of hydrogen and 89 grams of oxygen are always obtained' which chemical law is illustrated by this statement?

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 10

'If 100 grams of calcium carbonate (whether in the form of marble or chalk) are decomposed completely, then 56 grams of calcium oxide and 44 grams of carbon dioxide are obtained'. Which law of chemical combinations illustrated by this statement?

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 11

What are the building blocks of matter?

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9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Very Short Answer Type Questions>Q 12

How the size of an atom is indicated?

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9th CBSE