Chemistry GK · all questions

Metal and Its Compounds
practice.

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Q161

Which of the following alloys is made up of 4 components?

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Q162

Which of the following can be used for purification of water?

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Q163

Which of the following metals reacts with vapour to form metal oxides and hydrogen?

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Q164

When dissolved in water, it converts into gypsum.

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Q165

LiAlH₄ among them sodium amalgam and NaBH₄ What is the common property?

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Q166

Which of the following is slaked lime?

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Q167

Common name of the compound CaOCl₂ is . . . . . . . .

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Q168

Which one of the following elements is kept safely in kerosene oil?

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Q169

Stainless steel is an alloy in which following is added along with iron

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Q170

Name the elements found in baking Powder.

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Q171

Brass is an alloy made of which of the following:

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Q172

Sodium Vapour Lamp is usually used as street light, because

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Q173

Themain constituents of pearl are

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Q174

If the weather is very humid, you must remove the emitted gas through a dry tube with . . . . . . . .

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Q175

Washing soda can be used . . . . . . . .

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Q176

Which of the following metals are found in free state?

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Q177

What are Rubies and Sapphires chemically known as?

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Q178

Which is the hardest in the following?

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Q179

Coins of Rs. 1 and 2 are made of . . . . . . . .

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Q180

The chemical name of . . . . . . . . is Calcium sulphate hemihydrate.

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