Subject

Chemistry

Class

ICSE Class 10

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsShort Answer Type

51.

Write the balanced chemical equation for each of the following reaction:
Calcium bicarbonate reacts with dilute hydrochloric acid

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52.

What would you observe in each of the following cases?

Water is added to the product formed when aluminium is burnt in a jar of nitrogen gas.


When aluminium is burnt in a jar of nitrogen gas, a Pungent smelling basic gas called ammonia is evolved.

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53.

Write balanced chemical equations for the following:

Chlorine reacts with an excess of ammonia.

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54.

What would you observe in each of the following cases?

Copper is heated with concentrated nitric acid is a hard glass test tube

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55.

Write the balanced chemical equation for the following reaction:

Lead nitrate solution is added to sodium chloride solution

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56.

What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?

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57.

Why should the temperature of the reaction mixture of nitric acid not be allowed  to rise above 2000C?

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58.

Write a balanced chemical equation for the following:

Ferric hydroxide reacts with nitric acid.

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59.

Write the balanced chemical equation for the following reaction:

Dilute sulphuric acid is poured over sodium sulphite

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60.

What property  of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with

A) Potassium nitrate

B) Carbon

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