Q. During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.
(A) Salt
(B) Chlorine
(C) Carbon dioxide
(D) Water
The answer is: (A) Salt ☑
Q. In a very low temperature which from the following will freeze at last?
(A) River water
(B) Canal water
(C) Sea water
(D) Water in a lake
The answer is: (C) Sea water ☑
Q. The nearest planet to the Earth is
(A) Venus
(B) Mercury
(C) Mars
(D) Moon
The answer is: (A) Venus ☑
Q. The planet that moves round the Sun at the highest speed is
(A) Jupiter
(B) Venus
(C) Mars
(D) Mercury
The answer is: (D) Mercury ☑
Q. In general, Comets have __________ orbits.
(A) Elliptical
(B) Highly elliptical
(C) Circular
(D) Parabolic
The answer is: (B) Highly elliptical ☑