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The gas given off when NH4 Cl is heated with an alkali is
Determine the mass of sulphur (IV) oxide obtained when 91.0g of oxygen reacts completely with sulphur according to the following equation: S(s) + O\(_2\)(g) → SO\(_2\)(g) [S = 32; O = 16]
Calculate the mass of chlorine gas which occupies a volume of 1.12 dm\(^3\) a volume of 1.12 dm\(^3\) at s.t.p [Cl = 35.5, 1 mole og gas occupies 22.4 dm\(^3\) at s. t. p ]
The atomic number of chlorine is 17. What is the number of electrons in a chloride ion?
If the relative molecular mass of an element is not a whole number, it can be deduced that the element is
When alkynes are hydrogenated completely, they produce compounds with the general molecular formula
Which of the following processes takes place during the production of margarine from vegetable oils?
When concentrated sodium chloride solution is electrolysed using inert electrodes the products are?