Q:

What is the systematic name of Mg(NO3)2?

A) Manganese nitrite	B) Magnesium nitrite
C) Magnesium nitrate	D) Manganese nitrate

Answer & Explanation Answer: C) Magnesium nitrate

Explanation:

Mg(NO3)2 is Magnesium nitrate.

In the case of Mg(NO3)2, the metal in the compound is magnesium (Mg), and the non-metal here is called the nitrate ion (NO3). This makes the name of the compound simply magnesium nitrate.

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Q:

One of the following cannot be performed by animals

A) Respiration	B) Photosynthesis
C) Reproduction	D) Digestion

Answer & Explanation Answer: B) Photosynthesis

Explanation:

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Filed Under: Biology

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Q:

Man has _____ pairs of salivary glands

A) 3	B) 4
C) 6	D) 8

Answer & Explanation Answer: A) 3

Explanation:

Salivary glands of man are 3 pairs = 6. They are one pair of parotid glands, one pair of sub-maxillary or sub-mandibular glands and one pair of sub-lingual glands.

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Filed Under: Biology

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Q:

Find the "odd one out".

A) Linux	B) Windows 98
C) C++	D) Windows 7

Answer & Explanation Answer: C) C++

Explanation:

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Q:

Emphasize most nearly means

A) Accentuate	B) Calculate
C) Justify	D) Demain

Answer & Explanation Answer: A) Accentuate

Explanation:

Emphasize means giving special importance or worth giving attention to in speaking or writing.

Here in the options, Accentuate is most nearly means Emphasize.

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Q:

Trichloroacetaldehyde was subject to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :

A) Chloroform	B) 2, 2, 2-Trichloroethanol
C) Trichloromethanol	D) 2, 2, 2-Trichloropropanol

Answer & Explanation Answer: B) 2, 2, 2-Trichloroethanol

Explanation:

$\begin{matrix} C l \\ | \\ C l & - & C & - & C H O \\ | \\ C l \end{matrix}$ $\to_{C a n n i z z a r o' s R e a c t i o n}^{N a O H}$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C O O N a \\ | \\ C l \end{matrix}$ $+$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C H_{2} \\ | 2 & 1 \\ C l \end{matrix}$ $- O H$

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Q:

The Simon commission visited India in the year?

A) 1933	B) 1939
C) 1921	D) 1927

Answer & Explanation Answer: D) 1927

Explanation:

The British government appointed a commission under the chairmanship of Sir John Simon to report on India's constitutional progress for introducing constitutional reforms as had been promised in 1927.

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Q:

"Confederation Cup" is associated with which of the following game?

A) Hockey	B) Badminton
C) Chess	D) Football

Answer & Explanation Answer: D) Football

Explanation:

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