Chemistry Questions

The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___.

(atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16)

Which of the following is NOT correctly matched?

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Which of the following gases turns lime water milky?

In water treatment plant, use of chloramines ensures __________

Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?

What is the name of the process where gas is directly converted to solids called?

Which one of the following is a bad Thermal Conductor?