Q:

Which reforms act had created the office of the secretary of State for India?

A) Montague-Chelmsford Reforms	B) The Government of India Act, 1858
C) The Indian Councils Act,1861	D) Minto-Morley Reforms,1908

Answer & Explanation Answer: B) The Government of India Act, 1858

Explanation:

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Filed Under: Indian History

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Q:

Gold and silver are extracted from their respective ores by _______

A) Smelting	B) Roasting
C) Leaching	D) Hydro metallurgy

Answer & Explanation Answer: D) Hydro metallurgy

Explanation:

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Filed Under: Chemistry

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Q:

Lathyrism is caused by excess consumption of.......

A) Khesari Dal	B) Mustard oil
C) Mushrooms	D) Polished rice

Answer & Explanation Answer: A) Khesari Dal

Explanation:

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Filed Under: Biology

35 7772

Q:

Alloy of copper and zinc is called

A) Bronze	B) Gold
C) Silver	D) Brass

Answer & Explanation Answer: D) Brass

Explanation:

alloy_of_copper_and_zinc_is_called1556100441.jpg image

Alloy of copper and zinc is called as Brass.

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Q:

The Satpura range situated between two west flowing rivers. They are

A) Narmada and Luni	B) Narmada and Tapi
C) Tapi and Mahi	D) Mahi and Luni

Answer & Explanation Answer: B) Narmada and Tapi

Explanation:

Aravalli seperates the valleys of Luni and Mahi while Vindhyas seperate the valleys of Mahi and Narmada

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Filed Under: Indian Geography

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Q:

Merdeka cup is associated with

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

Answer & Explanation Answer: C) Football

Explanation:

Merdeka cup is associated with Football in Indonesia.

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Filed Under: General Awareness
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Q:

Consider the following statements about Sikh Gurus:
1. Banda Bahadur was appointed as the military leader of the Sikhs by Guru Tegh Bahadur.
2. Guru Arjan Dev become the Sikh Guru after Guru Ram Das.
3. Guru Arjan Dev gave to Sikhs their own script- Gurumukhi.
Which of the statements given is/are correct?

A) 1 only	B) 2 and 3
C) 1 and 3	D) 1 and 2

Answer & Explanation Answer: D) 1 and 2

Explanation:

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Q:

The oxidation number of Cr in $K_{2} {Cr}_{2} O_{7}$ is

A) +6	B) -5
C) +3	D) -4

Answer & Explanation Answer: A) +6

Explanation:

We will rewrite the formula as an equation.

2K + 2Cr + 7O = 0

The zero comes from there being no overall charge on the compound.

Each oxidation number is represented by the element's symbol.

Since this compound is not a peroxide or superoxide, the oxidation value for O is -2

K being in group 1 has a +1 charge and therefore has an oxidation number of K is +1

Now, by putting known values in we have:

2(+1) + 2(Cr) + 7(-2) = 0

2 + 2Cr -14 = 0

2Cr = +12

Cr = +6.

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