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 Chemistry Questions

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Q:

....... is the property of attracting electrons by the halogen atoms in a molecule

A) Electron affinity B) Electro positivity
C) Electro chemistry D) Electro negativity
 
Answer & Explanation Answer: D) Electro negativity

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 1905
Q:

Which one of the following gases dissolves in water to give acidic solution?

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

Explanation:

Carbon dioxide (CO2) gas dissolved in water can cause water to become acidic.The acidity of water from dissolved CO2 can be reduced by a base such as baking soda (sodium bicarbonate).

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 1905
Q:

Which of the following can be beaten and converted into thin sheets?

A) Zinc B) Phosphorus
C) Sulphur D) Oxygen
 
Answer & Explanation Answer: A) Zinc

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Filed Under: Chemistry
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1 1903
Q:

In Mendeleev's periodic table, the properties of the elements are considered a periodic function of their:

A) Atomic mass B) Ionization enthalpy
C) Atomic size D) Atomic number
 
Answer & Explanation Answer: A) Atomic mass

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Exam Prep: CAT , Bank Exams , AIEEE

0 1900
Q:

______ is used for making chemical apparatus like beakers, flasks etc.

A) Potash glass B) Hard glass
C) Jena glass D) Soda glass
 
Answer & Explanation Answer: B) Hard glass

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0 1898
Q:

A solution contains 33 g of common salt in 320 g of water. Calculate the concentration in terms of mass, by mass percentage of the solution.

A) 13.05% B) 9.09 g
C) 9.35g D)  9.35%
 
Answer & Explanation Answer: D)  9.35%

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Exam Prep: AIEEE , Bank Exams , CAT

1 1892
Q:

Which of the following is also used as a Bio fertilizer?

A) Urea B) Ammonia
C) Uric Acid D) Nitrates
 
Answer & Explanation Answer: B) Ammonia

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 1892
Q:

An acid can be defined as

Answer

An acid can be defined as a molecule or other species which can donate a proton or accept an electron pair in reactions.


(OR)


A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams , CAT
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2 1887