Questions

Q:

Which Indian Community celebrates the Khordad sal

A) Sikh B) Jain
C) Hindu D) Parsi
 
Answer & Explanation Answer: D) Parsi

Explanation:
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Filed Under: Indian Culture

124 7803
Q:

Which one of the following is the longest National Highway in India?

A) NH2 B) NH5
C) NH7 D) NH8
 
Answer & Explanation Answer: C) NH7

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Filed Under: Indian Geography

92 7793
Q:

When was the wealth tax first introduced in India ?

A) 1948 B) 1957
C) 1976 D) 1991
 
Answer & Explanation Answer: B) 1957

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Filed Under: Indian Politics

27 7793
Q:

The doctrine of three jewels- Right belief, Right conduct and Right Knowledge- is the crownings glory of

A) Buddhism B) Christianity
C) Jainism D) None of these
 
Answer & Explanation Answer: C) Jainism

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Filed Under: Indian History

11 7788
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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Filed Under: Chemistry
Exam Prep: GATE , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

3 7784
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

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Filed Under: Chemistry

24 7777
Q:

The oxidation number of Cr in K2Cr2O7 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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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

13 7774
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

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Filed Under: Biology

35 7774