Questions

Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

_____ is produced from incomplete burning of fuels such as petrol and diesel.

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

If the break­even quantity for a factory whose variable cost of manufacturing a cell is Rs. 15 and selling price is Rs. 24 is 2,400 units, find the fixed cost of the factory?

___________ is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood.

Most of population in Sri Lanka follows ___________.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

Earth’s resources have to be protected and sustain and we need to (1)/ share our resources across species as we all are (2)/ interconnected as one giant living organism. (3)/ No error (4)

Which of these islands are located in the Arabian Sea?