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Washing soda is 

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Important Questions on Nature and Behaviour of Matter

EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
How many water molecules are present in one molecule of washing soda?
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Saponification of coconut oil yields glycerol and
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Which of the following is used to purify drinking water?
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts

State:

The difference between number of molecules in Gypsum and in Plaster of Paris.

EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
The chemical formula for plaster of Paris is:
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts

Answer the following:

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

EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Write any four uses of washing soda.
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Write the chemical formula of bleaching powder? 
HARD
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
How is washing soda prepared from sodium carbonate? Give its chemical equation. State the type of this salt. Name the type of hardness of water which can be removed by it?
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Complex salt is
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Baking soda is used to make cakes light and fluffy. Give any two other uses of baking soda.
HARD
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
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.
HARD
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
What is the chemical formula of baking soda? Give chemical equation used in the preparation.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts

Answer the following:

Write the formula of a salt that contains water of crystsllisation.

HARD
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts

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

EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Why should we store Plaster of Paris in a moisture-proof container? Write its equation.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts

Write the chemical formulae of the following:

(a) Common salt  (b) Slaked lime (c) Bleaching powder.

EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Our teeth enamel is made up of _____.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
Baking soda is a mixture of:
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Salts
The pH of a salt used to make tasty and crispy pakoras is 14. Identify the salt and write a chemical equation for its formation. List its two uses.