Solid State Tes...

A gaseous mixture contains 56 g of $$N_2$$ , 44 g of $$CO_2$$ and 16 g of $$CH_4$$. The total pressure of the mixture is 720 mm of Hg. The partial pressure of methane is

What type of bonding results in compounds which are crystalline solids?

Glass is an example of this type of solid.

The following image is a cross section of a solid crystal of Iodine $$(I_{2})$$.
What type of crystal is represented by this Iodine solid?

A certain gas takes three times as long to effuse out as helium. Its molecular mass will be :

Which of the following have a regular, repeated molecular pattern and large number of free surfaces in three dimensional space?

The packing efficiency of simple cubic $$(sc)$$, body centered cubic $$(bcc)$$ and cubic close packing $$(ccp)$$ lattices follows the order:

The ratio of cations to anion in a closed pack tetrahedral is:

Which of the following arrangements correctly represents hexagonal and cubic close packed structure respectively?

The name of the $$NaCl$$ crystal unit cell and its packing efficiency are respectively: