Chemistry GK · all questions

Metal and Its Compounds
practice.

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Q321

The rusting of iron nail

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Q322

Which of the following metal compounds are used in black and white photography?

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Q323

Which of the following is a major component of German silver?

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Q324

Calcium sulphate dihydrate is commonly known as

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Q325

Match List-I with List-II and select the correct answer:

List-I	List-II
a. Li	1. Time keeper in atomic clocks
b. Na	2. Batteries
c. K	3. Transfer of nerve impulses
d. Cs	4. Control of the water content in the blood

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Q326

Which of the following metals can form amphoteric oxide?

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Q327

Which of the following statement is correct?

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Q328

Which one of the following is the number of water molecules that share with two formula unit in Plaster of Paris?

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Q329

Cement is made hard with

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Q330

The metal that can be cut with a knife-

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Q331

Name the sodium compound which is used to permanently remove the hardness of water.

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Q332

Which of the following is called Aurum?

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Q333

The solution of is used to treat bee stings.

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Q334

Permanent hardness of water can be removed by adding . . . . . . . .

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Q335

Glass is attacked by which of the following?

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Q336

For soldering is used . . . . . . . .

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Q337

Which of the following will melt when placed on the palm?

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Q338

MgO solution is . . . . . . . .

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Q339

Washing soda contains . . . . . . . . molecules of water of crystallisation.

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Q340

The chemical that is used to ripen mangoes is

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