IMPORTANT QUESTIONS FOR CHEMISTRY :-
(A) SHORT ANSWERS (3 marks each)
1. Gases exerts pressure on the walls of container ? Give reason.
2. Define boiling and boiling point.How does normal boiling differ from boiling points?
3. Draw a temperature-time plot for ice = stream,transformation.
4. What is meant by the term relative humidity ?
5. What happens when a temperature of a saturated solution is increased slightly?Name the state of saturation that is meta stable.
6. How can you differentiate between suspension and colloid? Give an example of each.
7.The solubility of potassium nitrate at 20degree celsius is 32 g/100g of water.How much salt is required to prepare 66g of saturated solution?
1. Why does temperature remains constant during melting and boiling?
2. Compare the properties of a true solution,a suspension and a colloidal solution ?
3. Describe various steps involved in purification of water for city water supply?
I HOPE MY FELLOW TEACHERS AND STUDENTS FOR WHOM THESE QUESTIONS HAVE BEEN FRAMED WILL FIND IT INTERESTING AND HELPFUL.
(A) SHORT ANSWERS (3 marks each)
1. Gases exerts pressure on the walls of container ? Give reason.
2. Define boiling and boiling point.How does normal boiling differ from boiling points?
3. Draw a temperature-time plot for ice = stream,transformation.
4. What is meant by the term relative humidity ?
5. What happens when a temperature of a saturated solution is increased slightly?Name the state of saturation that is meta stable.
6. How can you differentiate between suspension and colloid? Give an example of each.
7.The solubility of potassium nitrate at 20degree celsius is 32 g/100g of water.How much salt is required to prepare 66g of saturated solution?
(B) LONG ANSWERS (5 marks each)
1. Why does temperature remains constant during melting and boiling?
2. Compare the properties of a true solution,a suspension and a colloidal solution ?
3. Describe various steps involved in purification of water for city water supply?
I HOPE MY FELLOW TEACHERS AND STUDENTS FOR WHOM THESE QUESTIONS HAVE BEEN FRAMED WILL FIND IT INTERESTING AND HELPFUL.
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