Q:

Which compound forms a colored aqueous solution?

A) CrCl3	B) KBr
C) CaCl2	D) NaOH

Answer & Explanation Answer: A) CrCl3

Explanation:

Colored aqueous solutions are a characteristic of transition compounds.

The only transition compound in the above choices is CrCl3.

Cr is a transition element.

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Q:

The Pallava ruler who built the famous kailash temple at Kanchi and the Shore temple at Mahabalipuram was

A) Narsimha varman II	B) Paramesvar varman I
C) Mahendra varman I	D) Narasimha varman I

Answer & Explanation Answer: A) Narsimha varman II

Explanation:

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Q:

Solve this logical Math puzzle?

logical_thinking_puzzle1536132282.jpg image

Answer

Let that something be 'x'

From the given data,

x + x/5 = 21

5x + x/5 = 21

6x = 21 x 5

=> x = 17.5

Hence, that something is x = 17.5.

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Q:

Which of the statements given below are correct?

A) Alexander Norén won the Golf 2017 BMW PGA Championship.

B) Canada hosted the Table Tennis 2017 ITTF Women's World Cup.

C) In 2018 IPL auctions, Rajasthan Royals retained Steve Smith.

A) Only C	B) B and C
C) A and B	D) A, B and C

Answer & Explanation Answer: D) A, B and C

Explanation:

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Q:

Which of the statements given below are correct?

1. The author of the novel 'Atonement' is Ian McEwan.
2. The author of the novel 'The Sound and the Fury' is L. Ron Hubbard.
3. The author of the novel 'White Teeth' is Zadie Smith.

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

Answer & Explanation Answer: C) 1 and 3

Explanation:

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Q:

Rearrange the parts of the sentence in correct order.

Earlier its forays

P-were concentrated on ancient
Q-and medieval India
R-in history

A) RPQ	B) RQP
C) PQR	D) QPR

Answer & Explanation Answer: A) RPQ

Explanation:

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Q:

Water kept in an earthen pot is less cool on rainy days than in summer because during the rainy days

A) the pores in the pot are closed	B) rain water stops oozing out from the pores
C) the water that oozes out does not evaporate quickely because of the large percent age of moisture in the air	D) surface of the pot becomes damp

Answer & Explanation Answer: C) the water that oozes out does not evaporate quickely because of the large percent age of moisture in the air

Explanation:

To evaporate the water that oozes out, heat is required. Part of this heat is taken from the water inside which therefore become cool. Therefore (C) is correct. Here evaporation is less, so cooling too is less.

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Q:

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be

A) 2	B) 6
C) 5	D) 3

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