Question
What type of force holds together the layers of
graphite?Solution
Graphite consists of carbon atoms arranged in layers of hexagonal lattices. These layers are loosely held by weak van der Waals forces, allowing them to slide over one another easily — a property that makes graphite useful as a lubricant and in pencils.
How is U related to R?
Study the following information to answer the given questions. There are seven members of a family of three generations and two are married couples. P ...
Answer the questions based on the information given below.
There are six members L, M, N, O, P and Q in the family of three generation. No si...
How is E related to U?
I. B is the brother of C.
II. D is the daughter of C.
III. L is the sister of B
IV. H is the mother of D.
How L is relat...
Answer the questions based on the information given below.
There are seven members (L, M, N, O, P, Q and R) in a family, which consists of thre...
How is Y related to W?
Answer the questions based on the information given below.
There are eight family members L, M, N, O, P, Q, R and S having two married couples ...
Which of the following statement/statement are definitely true?
I. V is the grandson of T.
II. W is the aunt of U.
III. V is the son of U.
Answer the questions based on the information given below.
There are seven persons F, G, H, I, J, K and L in a family of three generations. The...
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