Chemistry quiz

which state of matter among the following has the highest inter molecular space

• solid

• liquid

• gas

which of the following is the symbol of aluminium

• au

• ag

• al

• a

sugar and water solution is separated by which solution

• evaporation

• crystallisation

• distillation

• none of the above

what is the formulae of kinetic energy?

• 1*2mv⁴

• 1/2mv

• 12mv²

• 1/2mv²

direct change of a substance from gas state to solid state is called?

• sublimation

• freezing

• deposition

• melting

which of the following have varible valencies

• mercury

• aluminium

• gold

• argon

reactions which liberate heat are known as?

• endothermic

• exothermic

• nothing

• none of the above

a mixture of salt and water is?

• homogeneous

• heterogeneous

• alloy

• none of the above

which of the following is not a mixture

• tap water

• lemonade

• ice cream

• distilled water

which of the following state of matter has the highest inter molecular force of attraction?

• liquid

• gas

• solid