NCERT Solutions for class 11 Chemistry | Chapter : Some Basic Concepts of Chemistry
Questions
2
The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M is
Answer: 24.3
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5
A symbol not only represents the name of the element but also represents
Answer: Atomicity
7
Which of the following contains same number of carbon atoms as are in 6.0 g of carbon (C – 12)?
Answer: 8.0 g Methane
9
What is the concentration of nitrate ions if equal volumes of 0.1 MAgNO3 and 0.1 M NaCl are mixed together
Answer: 0.05 M
11
An organic compound contains carbon , hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be
Answer:CH3O
12
Under similar conditions of pressure and temperature, 40 ml of slightly moist hydrogen chloride gas is mixed with 20 ml of ammonia gas, the final volume of gas at the same temperature and pressure will be
Answer:20 ml
17
What is the concentration of nitrate ions if equal volumes of 0.1 M AgNO3 and 0.1 M NaCl are mixed together
Answer: 0.2 M
19
Agra is locatApproximate atomic weight of an element is 26.89. If its equivalent weight is 8.9, the exact atomic weight of element would be
Answer: 26.7
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