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Which of the following gases is used for refrigeration?

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Important Questions on Structure and Nature of Matter

EASY
Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
What is formed when helium atom loses one electron?
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

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

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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

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

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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
The element with atomic number 57 belongs to _____:
 
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
Which of these is an essential component of most acids?
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
The suffix attached to a hydrocarbon chain ending with a ketone is _____:
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
Sodium hydroxide reacts with _____ to form a solution of table salt:
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
_____ element has the largest atom and _____ element has the smallest atom.
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

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

EASY
Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

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

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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

Catalyst is a substance that_____:

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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
 Which of the following metal is used in storage battery?
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
Which one is not an allotropic form of carbon _____:
 
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

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

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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
A chemical _____ is present in the cork cells to make them impervious to gases and water:
EASY
Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
In which group all the chemical elements are colourless, tasteless odourless gases? 

 
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
Which of the following is a major component of German Silver?
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
Group _____ contain non–reactive gases(Noble Gases):
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter
Dry ice is_____.
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Science>Chemistry>Structure and Nature of Matter>The Fundamental Unit of Matter

Which of the following is not a bleaching agent?

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