As the temperature of ice rises, the ice melts and its density?

Myopia is a disease connected with_________?

A. Ears
B. Eyes
C. Lungs
D. Brain

The average speed of a moving object during a given interval of time is always:

A. the magnitude of its average velocity over the interval
B. the distance covered during the time interval divided by the time interval
C. one-half its speed at the end of the interval
D. its acceleration multiplied by the time interval
E. one-half its acceleration multiplied by the time interval

The temperature at which two conjugate solutions change into one homogeneous solution is called__________?

A. Azeotrope
B. Conjugate temperature
C. Consolute temperature
D. Eutectic point

Sunlight is made of__________colours?A. Seven colours 
B. Five colours
C. Three colours
D. Non of these

 

In winter an iron pipe feel colder than a wooden window . This is because wood is_______?

A. Conductor
B. Non-Conductor
C. Semi- Conductor
D. Not a solid while iron is a solid
E. None of these

Vitamin B3 is also known as__________?

A. Thiamine
B. Riboflavin
C. Niacin
D. Retinol

Vitamin B3, also called niacin, is one of the eight B-complex water-soluble vitamins. Niacin has a wide range of uses in the body, helg functions in the digestive system, skin and nervous system.