What is the action of heat on limestone?

Important Questions on Acids, Bases And Salts

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 10

Describe with chemical equation what happens when carbon dioxide gas reacts with ammoniacal brine.

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 10

Describe with chemical equation what happens when bleaching powder is left exposed to air containing carbon dioxide.

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 11

Explain giving reason for tartaric acid is an important constituent of baking powder used in making cakes.

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 11

Explain by giving a reason for using baking soda in soda-acid fire extinguisher.

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 12

Write the chemical formula of washing soda. What happens when crystals of washing soda are exposed to air?

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 13

What will happen if the solution of sodium hydrogen carbonate is heated? Give the equation of the reaction involved.

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 14

What is bleaching powder? What are its uses?

MEDIUM

10th CBSE

IMPORTANT

MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 2 - Acids, Bases And Salts>Revision Exercise>Q 15

Doctors use a paste of white substance in water to maintain a fractured bone fixed in its place. Identify this substance and write its chemical formula.