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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
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Which of the following is NOT a waste material removed from blood in the kidney?

 

A) Ammonia B) Carbon dioxide
C) Urea D) Uric acid
 
Answer & Explanation Answer: B) Carbon dioxide

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1 6435
Q:

Which of the following statements are CORRECT?

 

I. Ethanol is a good solvent for organic compounds.

II. Boiling and melting points of ethanol are low with respect to water.

III. Ethanol is used tincture iodine

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

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1 16478
Q:

Mass number is always equal to ______.

 

A) number of protons B) number of neutrons
C) sum of number of protons and number of electrons D) sum of number of protons and number of neutrons
 
Answer & Explanation Answer: D) sum of number of protons and number of neutrons

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1 5022
Q:

Given in the options are sets of particular characteristics of elements and how they vary across the period and down the group in the following format:

 

Characteristic of an element  -  Across the period  -  Down the group

 

 

A) Electropositive Character/metallic character - Increase - Decrease B) Electropositive Character/metallic character - Increase - Increase
C) Electropositive Character/metallic character - Decrease - Increase D) Electropositive Character/metallic character - Decrease - Decrease
 
Answer & Explanation Answer: C) Electropositive Character/metallic character - Decrease - Increase

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0 493
Q:

Which of the following statements is/are true or false?

 

Statements :

 

A) H2S burns in air to give H2O and SO2

B) The decomposition of Ferrous Sulphate into Fe2O3, SO2 and SO3 occurs in the presence of heat.

 

A) Statements A and B both are true B) Statement A is true, while B is false
C) Statements A and B are false D) Statement B is true, while A is false
 
Answer & Explanation Answer: A) Statements A and B both are true

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0 9587
Q:

How many groups and periods are present in the Modern Periodic Table?

A) 9 groups, 9 periods B) 7 groups, 8 periods
C) 18 groups, 7 periods D) 8 groups, 7 periods
 
Answer & Explanation Answer: C) 18 groups, 7 periods

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0 782
Q:

Which of the following metals is found in free state?

A) Sodium B) Gold
C) Potassium D) Calcium
 
Answer & Explanation Answer: B) Gold

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4 731
Q:

Saturated Hydrocarbons are called

A) alkynes B) isomers
C) alkanes D) alkenes
 
Answer & Explanation Answer: C) alkanes

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0 621