Two grams of hydrogen combine with $16$ grams of oxygen to form water. How many grams of water will be formed? Write the name of the law of chemical combination which you have used in the calculation.

Important Questions on Atoms and Molecules

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 3 - Atoms and Molecules>Self Test Exercises>Q 2

When 6 grams of hydrogen gas was burnt with 48 grams of oxygen, 54 grams of water was produced. In another experiment when electric current was passed through 36 grams of water, 4 grams of hydrogen and 32 grams of oxygen were formed.

Calculate the mass ratio of hydrogen and oxygen which combine to form water.

MEDIUM

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 3 - Atoms and Molecules>Self Test Exercises>Q 2

When 6 grams of hydrogen gas was burnt with 48 grams of oxygen, 54 grams of water was produced. In another experiment when electric current was passed through 36 grams of water, 4 grams of hydrogen and 32 grams of oxygen were formed.

Calculate the mass ratio of hydrogen and oxygen formed when electric current was passed through water.

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 3 - Atoms and Molecules>Self Test Exercises>Q 2

When 6 grams of hydrogen gas was burnt with 48 grams of oxygen, 54 grams of water was produced. In another experiment when electric current was passed through 36 grams of water, 4 grams of hydrogen and 32 grams of oxygen were formed.

Write the name of the law of chemical combination which is verified by these experiments.

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 3 - Atoms and Molecules>Problems for Proficiency>Q 1

Write the names of the two laws of chemical combinations.

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 3 - Atoms and Molecules>Problems for Proficiency>Q 2

State and explain the law of conservation of mass.

EASY