- (A) The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.
- (B) The Sun lights up only one half of the Moon and as the Sun orbits the Earth we can sometimes see the unlit side of the Moon.
- (C) The Earth's shadow falls on the Moon, blocking the sunlight.
- (D) The Moon's shadow falls on the Earth, blocking the sunlight.
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- (A) The North Seekers
- (B) The Pointer Stars
- (C) The Pointer Sisters
- (D) None of these
- (A) Ursa Major
- (B) Ursa Minor
- (C) The Great Bear
- (D) A & C Both
- (A) petrol molecules do not have any hydrogen bond
- (B) petrol is an organic compound
- (C) water molecules have small size
- (D) petrol molecules have greater size
- (A) hydrogen bonding
- (B) irregular shape of the molecules
- (C) irregular shape of the molecules and strong inter-molecular forces
- (D) greater molecular size
- (A) Ice
- (B) Diamond
- (C) Sucrose
- (D) Plastic
- (A) ionic substances
- (B) metallic substances
- (C) molecular solids
- (D) covalent network solids
- (A) Sea water
- (B) Brass
- (C) Tape water
- (D) Graphite
- (E) Sand
- (A) smallest indivisible particle in an element
- (B) smallest particle of an element which can undergo a chemical reaction
- (C) building block of an element
- (D) always smaller than molecule
- (A) Precision and accuracy should go side by side in a scientific work
- (B) Scientific work must be precise, accuracy is not essential
- (C) Scientific work must be accurate, precision is not essential
- (D) Calculations must be made before any experiment
