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Q:

Methane contributes towards global warming so it is called a _________________ gas.

 

A) poisonous B) carcinogenic
C) infectious D) greenhouse

Answer:   D) greenhouse



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
Related Questions
Q:

A bond formed by the transfer of electrons betwwen atoms of the elements is called

A) ionic bond B) covalent bond
C) co ordinate bond D) none
 
Answer & Explanation Answer: A) ionic bond

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8 5031
Q:

Formation of anions occurs by

A) loss of neutrons B) gain of protons
C) gain of electrons D) none
 
Answer & Explanation Answer: C) gain of electrons

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6 5727
Q:

Formation of cation occurs by

A) gain of electron B) loss of electron
C) gain of proton D) loss of proton
 
Answer & Explanation Answer: B) loss of electron

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14 6769
Q:

A particle which is four times in mass and two times in charge that of proton is

A) helium atom B) an alpha particle
C) deuteron D) tritium
 
Answer & Explanation Answer: B) an alpha particle

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7 4099
Q:

A Radioactive subatance emits

A) alpha particles B) beta particle
C) gamma particle D) all of the three
 
Answer & Explanation Answer: D) all of the three

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4 3596
Q:

The alpha-particles are

A) high energy electrons B) positively charged hydrogen irons
C) high energy x ray radiations D) double positively charged helium nuclei
 
Answer & Explanation Answer: D) double positively charged helium nuclei

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6 5336
Q:

The activity of rradioisotope change with

A) temperature B) pressure
C) chemical environment D) None of these
 
Answer & Explanation Answer: D) None of these

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6 5148
Q:

Natural radioactivity was discovered by

A) Rutherford B) Becquerel
C) Curie D) Schmidt
 
Answer & Explanation Answer: B) Becquerel

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14 6290