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Q:

Is boiling water a chemical change?

Answer

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.


 


Hence, Boiling water is a Physiacl change and not a chemical change.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Which of these did progressives support?

Answer

One of the thing that progressive support would be: Direct election of senators.


 


The progressive wanted this so they could the candidate based on the person and not the party.
Direct election of senators will make it easier for them to elect the person that represent their value for the position.

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Subject: Indian Politics Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Microorganisms that cause disease are called

A) Pathogens B) Microbes
C) Infectees D) None of the above
 
Answer & Explanation Answer: A) Pathogens

Explanation:
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Filed Under: General Science
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Q:

Which measurement describes the pressure of a gas?

A) 450 mm Hg B) 315 K
C) 251 g/cub.cm D) None of the above
 
Answer & Explanation Answer: A) 450 mm Hg

Explanation:

450 mm Hg denotes the air pressure.

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Filed Under: Physics
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Q:

Which statement is true of all atoms that are anions?

A) The atom has more electrons than protons B) The atom has more protons than electrons
C) The atom has equal number of protons and electrons D) All of the above
 
Answer & Explanation Answer: A) The atom has more electrons than protons

Explanation:
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Filed Under: Chemistry
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Q:

On January 3, 2018, RBI initiated ‘PCA’ against the Allahabad Bank. How many public sector banks have been covered under ‘PCA’?

 

A) 18 B) 17
C) 11 D) 15
 
Answer & Explanation Answer: C) 11

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

The thyroid hormone that regulates carbohydrate metabolism is

A) Parathyroid B) Thyroxin
C) Parathormone D) Estrogen
 
Answer & Explanation Answer: B) Thyroxin

Explanation:

Thyroxin or Thyroxine is the thyroid hormone that regulates carbohydrate metabolism in the human body.

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Filed Under: Biology
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Q:

Which microscope is often used to view metal surfaces?

A) Optical microscopes B) Scanning tunneling microscopes
C) Electron microscopes D) None of the above
 
Answer & Explanation Answer: B) Scanning tunneling microscopes

Explanation:

Microscopes are of three types. They are :

 

1) Optical microscopes

 

2) Electron microscopes

 

3) Scanning tunneling microscopes

 

 Which_microscope_is_often_used_to_view_metal_surfaces1538720175.png image

 

Scanning tunneling microscopes are the microscopes that are used to view metal surfaces.

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Filed Under: Physics
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