Chemistry - Mock Test 31

Question 301

A bond formed by the transfer of electrons between atoms of the elements is called

A) Co-ordinate bond B) Covalent bond C) Ionic bond D) Covalent bond

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Question 302

According to the modern Periodic Law, the properties of elements are periodic functions of their?

A) number of neutrons B) volency C) atomic number D) atomic mass

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Question 303

In photography, the compound of nitrogen used is?

A) Ammonium carbonate B) Potassium nitrate C) Silver nitrate D) Ammonium bicarbonate

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Question 304

Of the following elements, which one has the same oxidation state in all of its compounds?

A) Carbon B) oxygen C) Fluroine D) Hydrogen

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Question 305

Whcih one is the compound in the following?

A) mercury B) ozone C) air D) ammonia

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Question 306

Dimond is?

A) an element B) a compound C) a mixture D) a liquid

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Question 307

Which of the following is the mixture?

A) distilled water B) gasoline C) liquified petroleum gas D) both b & c

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Question 308

Which one is not the isotopes of hydrogen?

A) Tritium B) Deuter C) Protium D) All

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Question 309

Of the following radiations, the most easily stopped by air?

A) gamma -rays B) alpha - rays C) beta - rays D) x - rays

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Question 310

Cutting and peeling of onion brings tears to the eyes because of the presence of _____ ?

A) Carbon B) Sulfur C) Amino acid D) Fat

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