EASY
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Baking powder is a mixture of

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Important Questions on Acids, Bases and Salts

HARD
Electrolysis of sodium chloride produces a gas A when A is passed through a solution of compound B another compound C is formed which is used as an oxidising agent in many chemical industries. A, B, and C will be respectively:
EASY
The real bleaching agent present in bleaching powder is 
MEDIUM
Which of the following compounds is used to repair fractured bones?
MEDIUM

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:

EASY
Plaster of Paris hardens by: 
 
EASY
The chemical formula of plaster of Paris is 
EASY
What is the common name of compound CaOCl2?
MEDIUM
A light greenish salt is soluble in water. On passing H2S gas into the solution, a black precipitate is obtained which dissolves readily in HCI. The metal ion present is 
MEDIUM
Which of the following is used to purify drinking water?
EASY
The chemical formula of common salt is-
EASY
The chemical formulae of baking Soda is
EASY
The chemical formula for plaster of Paris is:
MEDIUM
Which of these salts will give acidic solutions?
MEDIUM
The water of crystallization in gypsum and plaster of paris respectively are-
MEDIUM
What is formed when chlorine gas passes through dry slaked lime?
MEDIUM
The compound 'A' when treated with alkaline potassium permanganate gives 'B', and with concentrated sulphuric acid gives 'C' and 'D'. The compounds A, B, C and D are respectively:
EASY
The metal atom which is present in superphospahte is 
EASY

Baking powder is a mixture of baking soda and 

MEDIUM
Baking soda is a mixture of:
EASY
Which of the following is called "Lunar Caustic"?