Chemistry GK · all questions

Metal and Its Compounds
practice.

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Q341

Which one of the following statements is correct?

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Q342

The first metal used by man was

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Q343

Gas produced with the reaction of the soda with hydrochloric acid.

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Q344

Malachite is an ore of . . . . . . . .?

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Q345

Which of the following is lighter than water?

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Q346

Which of the following soil types is rich in soil nutrients such as calcium carbonate, magnesium, potash and lime?

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Q347

Which one of the following is a Nobel metal?

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Q348

Which one of the following is not true for bleaching powder?

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Q349

Which of the following substances appears shiny?

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Q350

Magnesium ribbon burns with a shiny . . . . . . . . flame-

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Q351

Which is the abundant in the earth's crust?

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Q352

Which one among the following is the main ingredient in cement?

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Q353

Which alloy has bronze, lead and tin?

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Q354

When iron is mixed with . . . . . . . . and . . . . . . . . then we get stainless steel-

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Q355

Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

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Q356

Why do alkali metals impart colour to the flame?

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Q357

Which of the following is an alloy of copper and zinc?

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Q358

Mercury is a

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Q359

It becomes milky when carbon dioxide gas flows in lime water. This is caused by the formation of

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Q360

Which of the following metals is the most reactive metal?

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