Give any two uses of common salt.

Important Questions on Compounds of Common Use

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 4

What happens when washing soda is left exposed to air?

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 5

What is plaster of Paris? How is it prepared? State two important uses of plaster of Paris.

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 6

How would you obtain slaked lime from lime?

The question is modified as:

How would you obtain slaked lime from quicklime?

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 7

In textile mills, a white substance having a strong smell of chlorine is used to remove the yellowness of white clothes. Identify the substance. How is it prepared? Write a chemical equation of the reaction involved.

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 8

A white, powdered solid when dropped in water produces a hissing sound. What the solid may be? Give with equation of the reaction of this solid with moist hydrogen chloride gas. Mention two uses of the solid compound.

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 9

Write down the equations of the reactions involved in the manufacture of washing soda by the Solvay process.

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 10

Why is a solution of sodium carbonate neutral to litmus?

Note: This question given in the book seems to have error and the modified question should be as given below.

Why is a solution of sodium carbonate shows alkalinity to litmus?