11-06-2014, 03:41 PM
CBSE TEST PAPER-05
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1. What is stoichiometry? [1]
2. How much potassium chlorate should be heated to produce 2.24L of
oxygen at NTP? [2]
3. Write an expression for molarity and molality of a solution. [2]
4. Calculate the weight of lime (CaO) obtained by heating 2000kg of 95% pure
lime stone (CaCO3) [2]
5. The substance which gets used up in any reaction is called -------------- [1]
6. What is 1molal solution? [1]
7. 4 litres of water are added to 2L of 6 molar HCl solutions.
What is the molarity of resulting solution? [2]
8. What volume of 10M HCl and 3M HCl should be mixed to obtain 1L of
6M HCl solution?