Acids, Bases and Salts-Chemical Properties of Acids and Bases (CBSE Class-10 Science): Questions 1 - 12 of 18

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Question number: 1

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

Essay Question▾

Describe in Detail

Write a note on classification of bases.

Explanation

1. On the basis of their strength, bases are classified as:

Strong bases: Strong bases are those bases which completely dissociate into its ions in aqueous solutions. Example: sodium hydroxide (NaOH), potassium hydroxide (KOH). Weak bases: Weak bases are those bases which do not completely dissociate into… (66 more words) …

Question number: 2

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » How Do Acids and Bases React With Metals?

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With the help of a well labelled diagram, show the process of reaction of acids with metals.

Question number: 3

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » How Do Acids and Bases React With Each Other?

One Liner Question▾

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Define dilution.

Question number: 4

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

Essay Question▾

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Write down the chemical properties of bases?

Explanation

Chemical properties of Bases:

i) Reaction with Metals - Certain reactive metals such as Zinc, Aluminium, and Tin react with alkali solutions on heating and hydrogen gas is evolved.

2NaOH + Zn – > Na + 2 ZnO2 +H2

ii) Reaction with acids -Bases react with acids to… (61 more words) …

Question number: 5

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

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Why acids do not show acidic behaviour in absence of water?

Question number: 6

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

Essay Question▾

Describe in Detail

Write down the chemical properties of acids?

Explanation

Chemical properties of acids:

i) Acids react with active metals to give hydrogen gas. Zn + H2SO4 – > ZnSO4 + H2

ii) Acids react with metal carbonate and metal hydrogen carbonate to give carbon dioxide. NaHCO3 +HCl – > NaCl + H2… (63 more words) …

Question number: 7

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » How Do Acids and Bases React With Each Other?

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Give an account of neutralisation reaction.

Question number: 8

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

Short Answer Question▾

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What are the properties of acids?

Question number: 9

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Reaction of Metallic Oxides With Acids

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The oxide of a metal X was water soluble, when a blue litmus strip was dipped in this solution, it did not go any change in colour. Predict the nature of oxide?

Question number: 10

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » How Do Acids and Bases React With Each Other?

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What is neutralisation reaction?

Question number: 11

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

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Name the acid produced by our stomach.

Question number: 12

» Acids, Bases and Salts » Chemical Properties of Acids and Bases » Acids and Bases in the Laboratory

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In one of the industrial process used for manufacture of sodium hydroxide, a gas A is formed as by product of the reaction. The gas A reacts with lime water to give a compound B which is used as a bleaching agent in chemical industry. Identify A and B giving the chemical equation of the reaction.

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