Questions

Q:

Calculate the relative molecular mass of water H2O?

A) 18u B) 1.8u
C) 2.0u D) 20u
 
Answer & Explanation Answer: A) 18u

Explanation:
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Q:

Which properties are characteristic of the group 1 metals?

A) Low melting points B) Produce hydrogen when react with water
C) Soft in nature D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Group 1 metals are also called as alkali metals with reactive in nature and low melting points. They are soft and produce hydrogen and alkaline metal hydroxide solution when they react with water.

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Q:

Who becomes World No. 1 ODI batswoman?

A) Mithali Raj B) M.M. Lanning
C) E.A. Perry D) Smriti Mandhana
 
Answer & Explanation Answer: D) Smriti Mandhana

Explanation:

Smriti Shriniwas Mandhana becomes World No. 1 ODI batswoman. In June 2018, the Board of Control for Cricket in India named her as the Best Women's International Cricketer.

Who_becomes_World_No._1_ODI_batswoman_1549256696.jpg image

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Q:

Birth anniversary of which Prime Minister is observed as Sadbhawna Diwas?

A) Jawaharlal Nehru B) Rajiv Gandhi
C) Lal Bahadur Shastri D) Indira Gandhi
 
Answer & Explanation Answer: B) Rajiv Gandhi

Explanation:

20 August, the birth anniversary of Rajiv Gandhi, which is celebrated as Sadbhavna Diwas (Harmony Day). Sadbhavana Diwas commemorates the memory of our late erstwhile Prime Minister, Rajiv Gandhi.

Birth_anniversary_of_which_Prime_Minister_is_observed_as_Sadbhawna_Diwas1559037316.jpg image

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Myopic

A) Blind B) Biased
C) Careless D) Farsighted
 
Answer & Explanation Answer: D) Farsighted

Explanation:
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Filed Under: English
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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

Such are the strata which we
X-species as those now living in the Mediterranean
Y-meet with in the south of Sicily, filled
Z-with shells for the most part of the same

A) YXZ B) XZY
C) XYZ D) YZX
 
Answer & Explanation Answer: D) YZX

Explanation:
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Q:

A   parallel-plate   capacitor,with   air   in between  the  plates,  has  capacitance  C. Now  the  space  between  the  two  plates  of the  capacitor  is  filled  with  a  dielectric  of dielectric constant 7. Then the value of the capacitance will become

A) C B) C/7
C) 7C D) 14C
 
Answer & Explanation Answer: C) 7C

Explanation:

As  the  capacitance  is  charged  by the  factor  equal  to  the  value  of dielectric constant, Hence, C’ = kC = 7C

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Filed Under: Physics
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Q:

In communication satellite, multiple repeaters are known as

A) Modulators B) Transponders
C) Detectors D) Generators
 
Answer & Explanation Answer: B) Transponders

Explanation:

In communication satellite, multiple repeaters are known as Transponders.

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Filed Under: General Science
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