EASY
10th CBSE
IMPORTANT
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What is the chemical formula of bleaching powder?

Important Questions on Acids, Bases and Salts

EASY
10th CBSE
IMPORTANT
What is the chemical name of bleaching powder? Write the chemical equation for its preparation.
MEDIUM
10th CBSE
IMPORTANT
Mention two uses of bleaching powder.
MEDIUM
10th CBSE
IMPORTANT
A sanitary worker uses a white substance having strong smell of chlorine to clear a water tank. Identify the substance and write the chemical equation for its preparation.
MEDIUM
10th CBSE
IMPORTANT
A white substance having a strong smell of chlorine is used to clean a water storage tank. Identify the substance. Give its chemical name and write the chemical reactions for its preparation.
 
MEDIUM
10th CBSE
IMPORTANT
In textile mills a white substance having a strong smell of chlorine is used to remove yellowness of white clothes. Identify the substance. How is it prepared? Write chemical equation of reactions involved.
EASY
10th CBSE
IMPORTANT

In the chemical formula of plaster of Paris CaSO4.xH2O

The value of x in the formula can be-

A. x = 0.5

B. x = 1.5

C. x = 2.5

"Enter your correct answer as A, B or C."

EASY
10th CBSE
IMPORTANT
Write the common and chemical names of the compound CaSO4.0.5H2O.
MEDIUM
10th CBSE
IMPORTANT
A compound which is prepared from gypsum has the property of hardening when mixed with proper quantity of water. Identify the compound. Write the chemical equation of its preparation. Mention one important use of the compound.