I revolve around the Sun. I am first member of the solar system. I am the hottest of all other members. What am I ?
Three glasses P, Q, R having equal amounts of water were taken and equal amount of salt was added to each one of them. After that, P was cooled, Q was heated and R was left undisturbed. The liquid in which glass will now taste most salty ?
(D) All will taste the same.
Does anybody know the answer?
Swati washed her clothes in the morning and wanted them to dry under the sunlight. Which of the areas shown in the figure should she NOT choose in order to ensure the maximum time of sunlight exposure?
APark P only
BPark P and Park R
CPark Q and Park S
DPark S only
A bus is moving on a straight road. The speed time graph for the motion of the bus is shown in figure. Find the distance travelled by the bus in 4 seconds.
(A) 100 m
(B) 200 m
(C) 300 m
(D) 400 m
A laser beam is directed at the surface of a smooth, calm pond as represented in the diagram below.
Which organisms could be illuminated by the laser light?
Athe bird and the fish
Bthe crab and the seaweed
Cthe bird and the seaweed
Dthe crab and the fish
Which of the following reactions cannot take place?
A Zinc + Sulphuric acid (dilute) → Zinc sulphate + Hydrogen
B Copper + Silver nitrate → Copper nitrate + Silver
C Zinc + Iron sulphate → Zinc sulphate + Iron
D Copper + Hydrochloric acid (dilute) →Copper chloride + Hydrogen