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OtisamLMS
Chemistry

Chemistry · Quick practice · answer shown after each question

Trends in the periodic table

Question 1 of 10

Question 1 of 10

Down Group 2, the solubility of the hydroxides

Question 2 of 10

Question 2 of 10

Which oxide of a Period 3 element is amphoteric?

Question 3 of 10

Question 3 of 10

Down Group 1, reactivity

Question 4 of 10

Question 4 of 10

The oxides of non-metals such as sulphur are usually

Question 5 of 10

Question 5 of 10

Electronegativity across a period from left to right

Question 6 of 10

Question 6 of 10

Across Period 3, the oxides change from

Question 7 of 10

Question 7 of 10

The noble gas used in advertising signs because it glows red is

Question 8 of 10

Question 8 of 10

Oxides of metals are generally

Question 9 of 10

Question 9 of 10

Down Group 17, reactivity

Question 10 of 10

Question 10 of 10

Atomic radius down a group

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