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 Chemistry Questions

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Q:

The element present in all organic molecules is

A) Hydrogen B) Oxygen
C) Carbon D) None of the above
 
Answer & Explanation Answer: C) Carbon

Explanation:
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Q:

Which of the following is an Inert Gas?

A) Hydrogen B) Nitrogen
C) Oxygen D) Argon
 
Answer & Explanation Answer: D) Argon

Explanation:
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Q:

The main cause of rancidity in foods is the ____ of fats and oils.

A) hydrolysis B) clarification
C) reduction D) oxidation
 
Answer & Explanation Answer: D) oxidation

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Q:

Bullet proof material is made up of which polymer?

A) Poly carbonates B) Poly vinyl
C) Poly amides D) Polychloride
 
Answer & Explanation Answer: A) Poly carbonates

Explanation:

bullet_proof_material_is_made_up_of_which_polymer1551441450.jpg image

bullet proof material is made up of polymer Poly carbonates.

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Q:

Atomic number is always equal to ______.

A) Number of protons B) Number of neutrons
C) Number of electrons D) Sum of protons and neutrons  
 
Answer & Explanation Answer: A) Number of protons

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Q:

A simple rule concerning water and electrolyte regulation is

A) water passively follows salt B) salt actively follows water
C) water actively follows salt D) salt passively follows water
 
Answer & Explanation Answer: A) water passively follows salt

Explanation:

A simple rule concerning water and electrolyte regulation is water passively follows salt.

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Q:

An ionic bond is formed when

A) sharing of electrons B) transfer of electrons
C) Both A & B D) losing of protons
 
Answer & Explanation Answer: B) transfer of electrons

Explanation:

An ionic bond is formed in between the two atoms with the transfer of electrons from an atom to the other to become stable after pairing.

an_ionic_bond_is_formed_when1535690989.jpg image

The atom which has low ionization energy will give some of its electrons to get stable electronic configuration .

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Q:

Which of the following is not a strong acid?

A) H2SO4 B) CH3COOH
C) HCl D) HBr
 
Answer & Explanation Answer: B) CH3COOH

Explanation:

CH3COOH, chemically known as Acetic acid, is not a strong acid among the given acids like Sulphuric acid, Hydrochloric acid,...

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