Questions

Q:

In the Modern Periodic Table, elements are arranged in

A) increasing atomic mass number B) increasing atomic number
C) decreasing atomic mass number D) decreasing atomic number
 
Answer & Explanation Answer: B) increasing atomic number

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Q:

Two or more elements combine to form a

A) atom B) valency
C) compound D) radical
 
Answer & Explanation Answer: C) compound

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Q:

In which of the following the dominant phase is Gametophyte?

A) Bryophyta B) Pteridophyta
C) Gymnosperms D) Angiosperms
 
Answer & Explanation Answer: A) Bryophyta

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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

The credit for classifying the elements on the basis of their atomic masses goes to

A) John Dalton B) John Alexander Reina Newlands
C) Dmitri Mendeleev D) Johann Wolfgang Dobereiner
 
Answer & Explanation Answer: C) Dmitri Mendeleev

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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the buttoncorresponding to it. If the sentence is free from error, click the "No error" option.

He flowed into a rage (A)/ at the very (B)/ sight of that man (C)/ No error (D)

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

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Filed Under: English
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Q:

Find the odd word/letters/number pair from the given alternatives.

A) High-­Up B) Past­-Present
C) Often­-Seldom D) Fresh­-Stale
 
Answer & Explanation Answer: A) High-­Up

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Q:

During the presidential election of 1896, William Jennings Bryan

Answer

William Jennings Bryan was Decmocratic Party candidate for US Presidency elections during the presidential election of 1896. He was unsuccessful in that.

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Subject: World History Exam Prep: AIEEE , Bank Exams , CAT
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