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Earn 100

The constituents of photochemical smog responsible for eye irritation are _____.

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Important Questions on Chemistry

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General Science>General Science>Chemistry>Elements and Compounds
Sodium hydroxide reacts with _____ to form a solution of table salt:
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General Science>General Science>Chemistry>Elements and Compounds

Which of the following is known as the 'King of Chemicals'?

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General Science>General Science>Chemistry>Elements and Compounds

Which of the following non-metal conducts electricity?
(A) Lead
(B) Wood charcoal
(C) Coal
(D) Diamond

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General Science>General Science>Chemistry>Elements and Compounds

The hormone produced in plants due to which the stem bends towards sunlight is _____:

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General Science>General Science>Chemistry>Elements and Compounds
Dry ice is_____.
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General Science>General Science>Chemistry>Elements and Compounds
What is formed when helium atom loses one electron?
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General Science>General Science>Chemistry>Elements and Compounds
Group _____ contain non–reactive gases(Noble Gases):
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General Science>General Science>Chemistry>Elements and Compounds
Which one is not an allotropic form of carbon _____:
 
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General Science>General Science>Chemistry>Elements and Compounds
Which of these is an essential component of most acids?
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General Science>General Science>Chemistry>Elements and Compounds
What does CO stands for?
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General Science>General Science>Chemistry>Elements and Compounds
The suffix attached to a hydrocarbon chain ending with a ketone is _____:
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General Science>General Science>Chemistry>Elements and Compounds

Which of the following is not a bleaching agent?

1. Sodium hypochlorite
2. Calcium hypochlorite
3. Hydrogen peroxide
4. Hydrogen sulphide

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General Science>General Science>Chemistry>Elements and Compounds
The element with atomic number 57 belongs to _____:
 
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General Science>General Science>Chemistry>Elements and Compounds

Which of the given below atomic numbers of elements resembles the chemical properties of Magnesium?

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General Science>General Science>Chemistry>Elements and Compounds

Catalyst is a substance that_____:

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General Science>General Science>Chemistry>Elements and Compounds
_____ element has the largest atom and _____ element has the smallest atom.
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General Science>General Science>Chemistry>Elements and Compounds
A chemical _____ is present in the cork cells to make them impervious to gases and water:
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General Science>General Science>Chemistry>Elements and Compounds

How many moles of sulphuric acid are present in 25 gm?

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General Science>General Science>Chemistry>Elements and Compounds
 Which of the following metal is used in storage battery?
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General Science>General Science>Chemistry>Elements and Compounds
In 2016, the storm 'Imogen' accompanied by heavy rain, battered_____.