What is the product of all the numbers in the number pad of a telephone?
DNone of these
Which of the following statements is true with respect to diamond ?
AThe carbon atoms are connected to each other by metallic bonds.
BIn the diamond crystal, the carbon atoms are very loosely packed.
CEach carbon atom in the crystal is surrounded by four other carbon atoms forming a rigid 3-D structure.
DDiamond can be synthesised by subjecting pure carbon to very low pressure and temperature.
The diamond has the co-valent bond of tetra-carobn..
Select the correct option.
D None of these
your answer is changing the options first time I clicked A but your answer came C and now when I cicked C the answer came A