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S-BLOCK ELEMENTS MCQs

Free 37+ S-BLOCK ELEMENTS MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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S-BLOCK ELEMENTS — MCQs for Pakistan government job tests

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S-BLOCK ELEMENTS

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1.What is the effect of adding 2% gypsum to cement?

2.Which element is capable of forming complex compounds?

3.Why is the second ionization energy of alkali metals significantly high?

4.In which of the following gases does magnesium metal fail to ignite when placed inside a container?

5.Why does sodium rarely exhibit an oxidation state of +2?

6.Which pair of elements exhibits a diagonal relationship in the periodic table?

7.Which alkali metal produces exclusively the normal oxide upon reacting with oxygen?

8.Gypsum is added to the soil primarily to supply which nutrients?

9.During electrolysis in a diaphragm cell, which substance undergoes reduction to release hydrogen gas?

10.Which of the following carbonate compounds does not dissolve in water?

11.Which of the following materials allows electrical conduction through the flow of ions?

12.What is the common name for the mineral with the chemical formula CaSO4·H2O?

13.Identify the sulfate compound that is insoluble in water from the following options:

14.Which pair of elements has nitrates that produce distinct products when heated?

15.Which nutrient is essential for the proper development of leaves?

16.What is the meaning of the term 'Alkali'?

17.Which hydroxide exhibits the lowest ionic character and breaks down upon heating?

18.Identify the chemical compound known as natron.

19.Among the following ions, which one exhibits the highest heat of hydration?

20.During the electrolysis of a diluted sodium chloride solution, which substance is produced at the anode?

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