Central Color of Rainbow is__________?
Central Color of Rainbow is__________?
A. Blue
B. Green
C. Red
D. Indigo
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How many latitude lines are there?
How many latitude lines are there?A. 90
B. 180
C. 270
D. 360Lines of latitude are called parallels and in total there are 180 degrees of latitude
Endothermic reactions are those in which ________.
Endothermic reactions are those in which ________.A. Heat is evolved
B. Heat is absorbed
C. Temperature increases
D. Light is producedWhich of the following vitamin is known as Pyridoxine?
Which of the following vitamin is known as Pyridoxine?A. Vitamin B-1
B. Vitamin B-2
C. Vitamin B-6
D. Vitamin B-12Caustic Soda is extensively used for making __________?
Caustic Soda is extensively used for making __________?A. Surf
B. Soap
C. Plaster of Paris
D. GumOur atmosphere consists of___________ Oxygen approximately?
Our atmosphere consists of___________ Oxygen approximately?A. 11% Oxygen approximately
B. 21% Oxygen approximately
C. 31% Oxygen approximately
D. None of theseEcho is a ___________ of sound?
Echo is a ___________ of sound?A. Reflection
B. Refraction
C. Interference
D. None