EASY
11th CBSE
IMPORTANT
Earn 100

The law which doesn’t follow from atomic theory is Gay-Lussac's law of gaseous volumes. (Dalton/Rutherford)

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Important Questions on Some Basic Concepts of Chemistry

EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 10
Equal volume of all gases under similar conditions of temperature and pressure contain equal number of molecules. This statement is called _____ .
EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 11
One amu (or u) has mass equal to _____ ×10-27kg.(1.66/1.756)
EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 12
The number of molecules present in 1 kg mole is _____×1026.6.022/6.626
EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 13
The numbers of atoms present in one molecule of a substance is called its _____.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 14
The normality of 500 ml of 0.2 M sulphuric acid is _____.
EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 16
The empirical formula of hydrogen peroxide is _____.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>TEST YOUR GRIP>Q 17
Amount of Oxalic acid COOH2.2H2O, in grams required to prepare 200 ml of 0.5  M Oxalic acid solution is _____ grams.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>ADDITIONAL QUESTIONS>Q 1
Chemistry can prove to be a blessing or a curse depends upon the uses to which it is put. Comment.