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Choose the correct answer from the optio...

Choose the correct answer from the options given below: The catalyst used in the Contact Process is :

A

Copper

B

Iron

C

Vanadium pentoxide

D

Manganese dioxide

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The correct Answer is:
C
Vanadium pentoxide
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ICSE-SAMPLE PAPER 2018-SECTION-II
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  2. What do you understand by a lone pair of electrons ?

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  3. Draw the electron dot diagram of Hydronium ion. (H = 1, O = 8)

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  4. In Period 3 of the Periodic Table, element B is placed to the left of...

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  5. In Period 3 of the Periodic Table, element B is placed to the left of ...

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  6. In Period 3 of the Periodic Table, element B is placed to the left of...

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  7. Complete the following table which refers to the conversion of ions to...

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  8. Write the balanced chemical equation to prepare ammonia gas in the lab...

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  9. State why concentrated sulphuric acid is not used for drying ammonia g...

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  10. Why is ammonia gas not collected over water?

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  11. Name the acid used for the preparation of hydrogen chloride gas in the...

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  12. Write the balanced chemical equation for the laboratory preparation of...

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  13. For the preparation of hydrochloric acid in the laboratory : Why is...

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  14. For the preparation of hydrochloric acid in the laboratory : What a...

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  15. For the electro-refining of copper What is the cathode made-up of ?

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  16. For the electro-refining of copper Write the reaction that takes pl...

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  17. The percentage composition of a gas is : Nitrogen 82.35%, Hydrogen 17....

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  18. Aluminium carbide reacts with water according to the following equatio...

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  19. Aluminium carbide reacts with water according to the following equatio...

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  20. If 150 cc of gas A contains X molecules, how many molecules of gas B w...

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  21. If 150 cc of gas A contains X molecules, how many molecules of gas B w...

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