PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 6

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Some crystals of ferrous sulphate were dissolved in distilled water. The colour of solution obtained was :

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Important Questions on Chemical Reactions and Equations

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10th CBSE

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 7

A student puts one big iron screw each in four test tubes containing an aqueous solution of aluminium sulphate, copper sulphate, ferrous sulphate and zinc sulphate. After some time, he observed a reddish-brown coating only on the surface of the screw which was put in the solution of:

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 8

Which one is the correct statement about the reaction?

$Fe (s) + {CuSO}_{4} (aq) \to {FeSO}_{4} (aq) + Cu (s)$

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 9

What is the colour of an aqueous solution of sodium sulphate?

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 10

Which one is a double displacement reaction?

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 11

When we start heating, a mixture of sulphur powder and iron fillings, we would observe that

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 12

The colour of

{NO}_{2}

and

PbO

formed when lead nitrate is heated are:

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10th CBSE

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 13

When an iron nail rubbed with sandpaper is dipped in copper sulphate solution, we observe that copper gets deposited

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 14

Rahul adds an aqueous solution of barium chloride to an aqueous solution of sodium sulphate. He would observe that