A small quantity of solid ammonium chloride (NH4Cl) was heated gently in a test tube, the solid gradually disappears to produce two gases. Later, a white cloudy deposit was observed on the cooler part of the test tube. The ammonium chloride is said to have undergone?
Elements P, Q, R, S have 6, 11, 15, 17 electrons respectively, therefore,
An element X forms the following compounds with chlorine; XCl4, XCl3, XCl2. This illustrates the
The oxidation state of chlorine in potassium chlorate is?
When air which contains the gases Oxygen, nitrogen, carbondioxide, water vapour and the rare gases, is passed through alkaline pyrogallol and then over quicklime, the only gases left are?