Q:

Magnesium oxide (MgO) + Water (H2O) = ?

A) [Mg(OH)]	B) [Mg(O2H)2]
C) [Mg2(OH)]	D) [Mg(OH)2]

Answer & Explanation Answer: D) [Mg(OH)2]

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Q:

Which one of the following is commonly used for pulp bleaching in the paper industry?

A) Mild sulphuric acid	B) Glucose isomerase
C) peroxide	D) Iodine and water

Answer & Explanation Answer: C) peroxide

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Q:

Inert gases are

A) Miscible with water	B) Not stable
C) Chemically unreactive	D) Chemically very active

Answer & Explanation Answer: C) Chemically unreactive

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Q:

Which of the following is a commercial source of energy?

A) Agricultural waste	B) Dried dung
C) Sun	D) Natural gas

Answer & Explanation Answer: D) Natural gas

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Q:

Which one of the following triad represents Dobereiner's Triad?

A) Li, Na, K	B) Na, Sr, Br
C) Li, K, Na	D) Li, Ca, C1

Answer & Explanation Answer: A) Li, Na, K

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Q:

Psidium guajava is the scientific name of ___________.

A) Guava	B) Mango
C) Bamboo	D) Jack fruit

Answer & Explanation Answer: A) Guava

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Filed Under: Biology
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Q:

Marathi is the official language of _________.

A) Chandigarh	B) Dadra and Nagar Haveli
C) Daman and Diu	D) Delhi

Answer & Explanation Answer: B) Dadra and Nagar Haveli

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Filed Under: Indian Geography
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Words written on the tomb of a person

A) Epigram	B) Epitome
C) Epicure	D) Epitaph

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