Some Basic Concepts of Chemistry - Topic Wise Multiple Choice Questions (MCQ)
Topic Wise free Basic Concepts of Chemistry MCQ for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test
11 )
In the standardization of Na2S2O3using K2Cr2O7 by iodometry, the equivalent weight of K2Cr2O7 is
2 / Molar mass
6 / Molar mass ✔
3 / Molar mass
Same as molar mass
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12 )
An Oxide of metal contains 60% of the metal. What will be the equivalent weight of the metal?
12 ✔
40
24
48
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13 )
Which of the following is a pair of physical and chemical property respectively of a substance?
acidity & combustibility
colour & density
basicity & colour
density & acidity. ✔
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14 )
What is the symbol of S.I. unit for the amount of substance?
NA
n
V
mol ✔
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15 )
What is the symbol of a multiple 109?
G ✔
E
n
Z
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