Chemistry Questions

Q:

Process of loosing electrons is known as _____.

A) oxidation B) reduction
C) radiation D) both oxidation and reduction
 
Answer & Explanation Answer: A) oxidation

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Q:

Which among the following compounds has the strongest hydrogen bond?

A) HI B) HCl
C) HF D) HBr
 
Answer & Explanation Answer: C) HF

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Q:

A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.

A) Six months B) Ten months
C) Twelve Months D) Twenty four months
 
Answer & Explanation Answer: C) Twelve Months

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Q:

Which amongst the following is not a Cation?

A) Aluminium ion B) Copper ion
C) Sulphate ion D) Zinc ion
 
Answer & Explanation Answer: C) Sulphate ion

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Q:

What are the main components of Brass Alloy?

A) Copper and Zinc B) Copper and Strontium
C) Copper, Zinc and Nickel D) Copper and Nickel
 
Answer & Explanation Answer: A) Copper and Zinc

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Q:

LPG is a mixture of _______.

A) methane and butane B) butane and propane
C) methane and propane D) ethane and propane
 
Answer & Explanation Answer: B) butane and propane

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Q:

Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?

A) Methyl isocyanate B) Methyl isochlorate
C) Methyl Phosphate D) Methyl Isopropate
 
Answer & Explanation Answer: A) Methyl isocyanate

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Q:

The residual attractive or repulsive forces between molecules or atomic groups that do not arise from a covalent bond, or ionic bonds is called _____

A) Neutral Bond B) Non Polar Bond
C) Electro Valence bond D) Van der Walls bond
 
Answer & Explanation Answer: D) Van der Walls bond

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