Advertisements
Advertisements
Question
State the method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
Solution
The method used for collecting SO2 is an upward displacement of air. This method is used for gases like SO2 which is soluble in water and heavier than air.
RELATED QUESTIONS
What is alchemy?
What kind of experiments did Alchemists do?
Match the following words in column A with those in column B:
| Column A | Column B | ||
| (a) | Clothing | (i) | toothpaste, cosmetics |
| (b) | Green Revolution | (ii) | nylon, wool |
| (c) | Building Material | (iii) | agriculture |
| (d) | Commodities of daily | (iv) | mortar, cement |
Write True or False against the following statement.
Enzymes secreted by our body are chemicals:
State the functions of the following basic glass apparatus:
Retort
State the function of
The air regulator in a Bunsen burner.
Give a comparative difference between soaps and detergents. Give a reason. why detergents have an advantage over soap.
Select the correct name from the choices given below for the following case.
The branch of Science which deals with the different forms of energy e.g. light and sound.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass apparatus closed at one end used for collecting gases.
Give reasons for the following
Alchemy was considered a pseudoscience.
