Which of the following hardest form of coal?

Related Mcqs:

Phosphorus is an essential component of one of the following biological molecules:

A. Amino acids B. Nucleic acids C. Carbohydrates D. None...

Radon is___________?

A. germon radio B. radio active gas C. artificial fibre D. an explosive...

Unit of solid a angle is?

A. Radian B. Steradian C. Degree D. None...

Which of following contains cobalt ?

A: Vitamin K B: Chlorophyll C: Vitamin B12 D: Haemoglobin...

H5N1 virus is caused of

A. AIDs B. fever C. Bird flu D. none...