Chemistry Self Study Test Quiz 002

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#1. When 2.78g of a hydrated salt was heated, 1.52g of the anhydrous salt was formed. Which one of the following is the percentage of water of crystallization?

#2. An element P is immediately below iodine in group VII of the periodic table. Which one of the following properties is for element P.

#3. Sulphur reacts with concentrated nitric acid to form;

#4. Element X burns in excess oxygen to form a yellow solid which dissolved in water to produce a colourless gas that is neutral to litmus and relights a glowing splint. Element X is;

#5. A solution containing copper(II)ions will form.

#6. Which of the following is the best explanation for reducing the size of reactant particles in a chemical reaction?

#7. Which of the following polymers cause environmental pollution?

#8. The gas produced when chlorine water is left exposed to sun light is;

#9. Which one of the following is not a product of the reaction when chlorine gas is bubbled through cold sodium hydroxide solution?

#10. Which one of the following is not used to soften permanent hardness in water?

#11. Which one of the following processes is not applied in water treatment?

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