MEDIUM
Earn 100

Read the following statements.

Statement - I: Plaster of Paris is stored in moisture proof containers.

Statement - II: Plaster of Paris on reaction with water changes into a hard solid gypsum. 

Select the correct answer from the options given below:

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
Write only chemical equation for the reaction of preparation of bleaching powder. Give its one use also.
HARD
Science>Chemistry>Acids, Bases and Salts>Salts

What is gypsum? What happens when gypsum is heated to 373K?

EASY
Science>Chemistry>Acids, Bases and Salts>Salts
What happens when bleaching powder reacts with dil. hydrochloric acid. Write only chemical equation.
EASY
Science>Chemistry>Acids, Bases and Salts>Salts
What happens when Gypsum is heated upto 373∘K (Write only chemical equation).
EASY
Science>Chemistry>Acids, Bases and Salts>Salts
Plaster of Paris hardens by: 
 
EASY
Science>Chemistry>Acids, Bases and Salts>Salts

Write chemical formula of the following-

  • Bleaching Powder
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
Which of the following is used to purify drinking water?
EASY
Science>Chemistry>Acids, Bases and Salts>Salts
What is the common name of compound CaOCl2?
EASY
Science>Chemistry>Acids, Bases and Salts>Salts
Write any two uses of plaster of Paris. 
 
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
Write the molecular formulae and two uses of bleaching powder.
EASY
Science>Chemistry>Acids, Bases and Salts>Salts
Why should we store Plaster of Paris in a moisture-proof container? Write its equation.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
A compound that is prepared from gypsum has the property of hardening when mixed with the proper quantity of water. Write the chemical name of the compound. 
EASY
Science>Chemistry>Acids, Bases and Salts>Salts
Write the chemical name, formula and two uses of bleaching powder.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts

Answer the following:

A calcium compound having odour of chlorine is used to remove yellowish-white clothes in laundries. Name the compound.

EASY
Science>Chemistry>Acids, Bases and Salts>Salts
The real bleaching agent present in bleaching powder is 
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
What is formed when chlorine gas passes through dry slaked lime?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
Which of the following compounds is used to repair fractured bones?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
Write the molecular formulae and two uses of plaster of Paris. 
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
A compound that is prepared from gypsum has the property of hardening when mixed with the proper quantity of water. Identify the compound.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Salts
Write the chemical equation of the preparation method and any two uses of bleaching powder.