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A pure material that has only one type of atom and cannot be broken down into two or more simpler compounds by physical or chemical techniques is termed as _____________.

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Important Questions on Matter and Its States

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Science>Chemistry>Matter and Its States>Classification of Matter
7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?
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Science>Chemistry>Matter and Its States>Classification of Matter

Catalyst is a substance that_____:

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Science>Chemistry>Matter and Its States>Classification of Matter
_____ element has the largest atom and _____ element has the smallest atom.
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Which of the following chemical is commonly known as caustic soda? 
(A) Sodium Chloride 
(B) Sodium Bicarbonate
(C) Sodium Carbonate
(D) Sodium hydroxide 

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Science>Chemistry>Matter and Its States>Classification of Matter

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

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In which group all the chemical elements are colourless, tasteless odourless gases? 

 
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Science>Chemistry>Matter and Its States>Classification of Matter
A chemical _____ is present in the cork cells to make them impervious to gases and water:
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Science>Chemistry>Matter and Its States>Classification of Matter
The most tensile element among the following is_____:
 
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Science>Chemistry>Matter and Its States>Classification of Matter
Sodium hydroxide reacts with _____ to form a solution of table salt:
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Science>Chemistry>Matter and Its States>Classification of Matter

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

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Science>Chemistry>Matter and Its States>Classification of Matter

The valency of Chlorine with respect to oxygen is _____.

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Science>Chemistry>Matter and Its States>Classification of Matter
Which of these is an essential component of most acids?
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In what ratio a man must mix pulses at ₹11.10 per kg with ₹15.20 per kg so as to make a mixture worth ₹13.20 per kg?
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Which of the following is a major component of German Silver?
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Science>Chemistry>Matter and Its States>Classification of Matter

Which is that solid substance that is commonly known as dry ice?

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Science>Chemistry>Matter and Its States>Classification of Matter
An example of a solution of liquid in solid is:
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Science>Chemistry>Matter and Its States>Classification of Matter
What is the name of the element specifically used as a filament of an electric bulb? 
 
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Science>Chemistry>Matter and Its States>Classification of Matter
The element with atomic number 57 belongs to _____:
 
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Science>Chemistry>Matter and Its States>Classification of Matter
What does CO stands for?
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Science>Chemistry>Matter and Its States>Classification of Matter

Which of the following is not a bleaching agent?

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