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Chemistry

Chemistry · Quick practice · answer shown after each question

Group 1 and Group 2 elements

Question 1 of 10

Question 1 of 10

Lithium is more reactive than potassium.

Question 2 of 10

Question 2 of 10

Sodium hydroxide is manufactured by the

Question 3 of 10

Question 3 of 10

Potassium reacts with water more vigorously than sodium because

Question 4 of 10

Question 4 of 10

Group 1 metals are soft and have low densities because

Question 5 of 10

Question 5 of 10

Compare group 1 and group 2 elements in terms of (a) charge on the ion, (b) reactivity with water, (c) solubility of carbonates, (d) thermal stability of carbonates.

Question 6 of 10

Question 6 of 10

Alkali metals are stored under oil because they

Question 7 of 10

Question 7 of 10

Sodium reacts with cold water to produce

Question 8 of 10

Question 8 of 10

The thermal stability of group 2 carbonates

Question 9 of 10

Question 9 of 10

Calcium hydroxide solution is known as

Question 10 of 10

Question 10 of 10

Sodium reacts with water to give sodium hydroxide and ___ gas.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.