Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid from can be converted directly into vapours on heating by a process called Z. (a) What could X be ? (b) What could Y be ? (c ) Name the process Z. (d) Which process would you use to recover both the components X and Y from tincture of iodine ? (e) Which process can be used to recover only, component Y from tincture of iodine ?
A liquid is converted into vapour below its boiling point . What is the process called ?
This process for the change of a solid directly into its vapour is called
You are given a mixture of iodine in alcohol caled tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture?
When water is heated to a temperature x, it gets converted into steam at temperature x by a process called R. And when steam at temperature x is cooled, it gets reconverted into water at the same temperature x by a process called S. (a) How much is the value of x in Kelvin ? (b) What is the process R called ? (c ) What is the name of the energy absorbed during the process R ? (d) What is process S known as ? (e) What is the name of energy released during the process S known as ?
LAKHMIR SINGH & MANJIT KAUR-MODEL TEST PAPER 4-Section B