EASY
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Which of the following is not formed as a product in Chlor-alkali process?

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Important Questions on Acids, Bases and Salts

MEDIUM
Which of these salts will give acidic solutions?
MEDIUM
Baking soda is a mixture of:
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
The set of products formed when electricity is passed through brine is:
MEDIUM
What is formed when chlorine gas passes through dry slaked lime?
EASY
The real bleaching agent present in bleaching powder is 
EASY
The chemical formula of plaster of Paris is 
MEDIUM
Identify the correct representation of the reaction occurring during the chloralkali process.
MEDIUM
The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives
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:
HARD
How is sodium hydroxide manufactured in industries? Name the process. In this process, a gas X is formed as a by-product. This gas reacts with lime water to give a compound Y, which is used as a bleaching agent in the chemical industry. Identify X and Y and write the chemical equation of the reaction involved.
MEDIUM
The water of crystallization in gypsum and plaster of paris respectively are-
MEDIUM
Which of the following compounds is used to repair fractured bones?
EASY
The metal atom which is present in superphospahte is 
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:

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 chemical formula for plaster of Paris is:
HARD
What is brine? What is the product formed when electricity is passed through this brine? Write the balanced chemical equation for the above reaction.
 
MEDIUM

Products (X and Y) of the following reactions (I and II) are :
I. 2NaOH(Cold and dil.)+Cl2NaCl+X+H2O

II. 6NaOH(Hot and conc.)+3Cl2NaCl+Y+3H2O