Question
Diamond is harder than graphite because of which of the
following reason?Solution
Diamond and Graphite both are allotropes of carbon. In Diamond, the molecules have strong force between its molecules while graphite has loose force of attraction between its molecules. Diamond has less intermolecular space between molecules while graphite has more intermolecular space between its molecules. Due to this, graphite is soft and slippery in nature whereas diamond is the hardest substance known to man.
If A + B means B is father of A and A % B means A is brother of B, A # B means B is husband of A. Which of the following shows that M is daughter in law...
U is the daughter in law of whom among the following
How is L is related to M?
Who is the wife of E?
P, L, T, B, N and D are six members of a business family. N is the son of B, who is not the mother of N. L is the brother of B. D and B are a married co...
Who among the following person is the granddaughter of H?
Which of the following is true about K?
How is R related to S?
Answer the questions based on the information given below.
There are seven members L, M, N, O, P, Q and R in a family of three generations. L...
Answer the questions based on the information given below.
There are eight persons R, S, T, U, V, W, Y and Z in a family of three generations...
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