Questions

Q:

The state of matter can be changed into another state by changing the

A) Volume B) Density
C) Shape D) Temperature
 
Answer & Explanation Answer: D) Temperature

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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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Q:

What product is formed when electricity is passed through an aqueous solution of sodium chloride?

A) Sodium and Chlorine B) Sodium oxide
C) Sodium hydroxide D) Sodium and water
 
Answer & Explanation Answer: C) Sodium hydroxide

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Q:

The Union Home Ministry will set up an Indian Cyber Crime Coordination Centre (14C), an apex coordination centre at which place to deal with cybercrimes?

 

A) Hyderabad B) Pune
C) Bengaluru D) New Delhi
 
Answer & Explanation Answer: D) New Delhi

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Q:

If an unintended increase in business inventories occurs

A) aggregate expenditures must exceed the domestic output B) we can expect businesses to lower the level of production
C) we can expect aggregate production to be unaffected D) we can expect businesses to increase the level of production
 
Answer & Explanation Answer: B) we can expect businesses to lower the level of production

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Q:

If Metal A displaces Metal B from its solution, then Metal A ____.

A) is more reactive than B B) is less reactive than B
C) is heavier than B D) has the same reactivity as B
 
Answer & Explanation Answer: A) is more reactive than B

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Q:

All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass B) different atomic numbers and the same atomic mass
C) the same atomic number but different atomic masses D) the same atomic number and the atomic mass
 
Answer & Explanation Answer: C) the same atomic number but different atomic masses

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Q:

___ are the carriers of heredity material.

A) Genetics B) Genes
C) Gametes D) Germ cells
 
Answer & Explanation Answer: B) Genes

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Filed Under: Biology
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