Multiple Choice Questions
- The branch of Science which deals with the different forms of energy e.g. light and sound.
A: Chemistry
B: Physics
C: Biology
- The branch of Chemistry which includes study of specific carbon compounds – built up of mainly carbon and hydrogen.
A: Inorganic Chemistry
B: Physical Chemistry
C: Organic Chemistry
- The scientist who formulated the Periodic Table.
A: John Dalton
B: Daniel Rutherford
C: Dmitri Mendeleev
- Predecessors to the modern Chemist who created the ‘Philosopher’s stone’.
A: Botanists
B: Alchemists
C: Physicists
- A synthetic fibre used in clothing.
A: Cotton
B: Jute
C: Terylene
- A medicine to treat pain, fever & inflammation.
A: Anaesthetic
B: Aspirin
C: Antacid
- A water soluble cleaning agent – not inactivated by hard water.
A: Soap
B: Detergent
C: Cleanser
- A substance which absorbs moisture and keeps the skin dry and free from rashes.
A: Talc
B: Preservative
C: Emulsifier
- A chemical used as a preservative for jams, pickles etc.
A: Titanium dioxide
B: Rayon
C: Benzoic acid
- A substance which dissolves grease & oil and is preferred as a – drain cleaner.
A: Glycerine
B: Sodium hydroxide
C: Hydrogen peroxide
- for gas preparations where heating is required.
(A) Flat bottom flask
(B) Retort
(C) Round bottom flask
- for holding washed test tubes.
(A) Test tube holder
(B) Test tube stand
(C) Retort stand
- A glass apparatus resistant to chemicals, made of Pyrex and used for heating specific liquids.
(A) Beaker
(B) Retort
(C) Boiling Tube
- A metallic apparatus which supports the wire gauze.
(A) A Tripod stand
(B) Retort stand
(C) Test tube stand
- A long glass apparatus closed at one end used for collecting gases.
(A) Measuring cylinder
(B) Gas jar
(C) Beehive shelf
- A glass apparatus which measures liquid by sucking the liquid at one end up to the marked level and later pouring it out.
(A) Burette
(B) Measuring cylinder
(C) Pipette
- A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
(A) Thistle funnel
(B) Delivery tube
(C) Funnel.
- A clay vessel kept in a trough of water during collection of a gas by downward displacement of water.
(A) Retort
(B) Beehive shelf
(C) Burette
- A modern apparatus with an air regulator, used for heating purposes.
(A) Spirit lamp
(B) Bunsen burner
(C) Electric stove
- A rectangular mesh with asbestos at its centre, kept for initiating even distribution of heat to the bottom of the apparatus.
(A) Tripod stand
(B) Wire gauze
(C) Retort stand