Q:

Who invented the modern periodic table?

A) Faraday	B) Mendeleev
C) Newton	D) Bohr

Answer & Explanation Answer: B) Mendeleev

Explanation:

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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero.	B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1.	D) Hydrogen can have more than one oxidation number.

Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

In which of the following solution the concentration of H+ ion is the maximum?

A) pH 6	B) pH 8
C) pH 5	D) pH 9

Answer & Explanation Answer: C) pH 5

Explanation:

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Q:

Analgesics ________.

A) relieve acidity	B) relieve pain
C) relieve itching	D) relieve bloating

Answer & Explanation Answer: B) relieve pain

Explanation:

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Q:

The yellow colour of human urine is due to

A) Bile Salts	B) Cholesterol
C) Lymph	D) Urochrome

Answer & Explanation Answer: D) Urochrome

Explanation:

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Fair - weather friend

A) Honest only when easy and convenient	B) Truthful only when easy and convenient
C) Supports only when easy and convenient	D) Temporary only when easy and convenient

Answer & Explanation Answer: C) Supports only when easy and convenient

Explanation:

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Q:

Kalakkad-Mundanthurai Tiger Reserve is in which state?

A) Tamil Nadu	B) Chhattisgarh
C) Arunachal Pradesh	D) Uttarakhand

Answer & Explanation Answer: A) Tamil Nadu

Explanation:

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Q:

Who invented Antibiotics?

A) Joseph Lister	B) William Harvey
C) Robert Knock	D) Alexander Fleming

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