E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 1: Test
E Doris James Science Solutions for Exercise - E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 1: Test
Attempt the free practice questions from Exercise 1: Test with hints and solutions to strengthen your understanding. New Science Ahead 8 solutions are prepared by Experienced Embibe Experts.
Questions from E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 1: Test with Hints & Solutions
Can water or copper sulphate solution be used instead of kerosene to store sodium? Why or why not?

Study the diagram and answer the question.
Label the products (marked a, b, c, and d) obtained by the destructive distillation of coal.

How can the presence of (a) be confirmed?

What methods of irrigation will you use on a vegetable farm if there is shortage of water? Explain.

What is petroleum refining? Draw a labelled diagram of a fractionating column.

Yeast and sugar are added to a bottle of warm water. A balloon is fixed over the mouth of the bottle. After some time, the balloon inflates as yeast breaks down the sugar and releases gas. Which gas does it release?

A battery and bulb are connected. The free ends of the wires from the battery and the bulb are brought in contact with items A, B, C, and D, one by one. The bulb does not light up when the wires touch C. which of these could C be made of?

A clean iron nail is dropped into a test tube filled with copper sulphate solution. After an hour, the solution which was blue in colour turns green. The iron nail has a reddish-brown deposit on it. Identify the green solution. Identify the reddish-brown deposit.
