Which one of the following is a non-metallic mineral?

8 years ago

A. Manganese B. Magnesium C. Gypsum D. Bauxite E. None of these

The sky appears blue because the earth’s atmosphere __________?

8 years ago

A. Scatters blue light B. Reflects blue light C. Transmits blue light D. Has actual blue cover

When water is filled in a bottle and is allowed to freeze, the bottle breaks because

8 years ago

A. Water expands on freezing B. Bottle contracts at freezing point C. temperature outside the bottle is less than that…

The rear view mirror of a motor vehicle is ________?

8 years ago

A. Concave B. Plane C. Convex D. Biconcave

What is the main difference between a mainframe and a super computer?

8 years ago

A. Super computer is much larger than mainframe computers B. Super computers are much smaller than mainframe computers C. Supercomputers…

Which month of calendar year can lack a new moon?

8 years ago

A. December B. February C. May D. None