Question

05. The elements whose oxides can
turn litmus solution blue are?
C and S
Na and C
K and Mg
Mg and S

Answer 1

Answer:

k and mg

Explanation:

Potassium and magnesium are metals whose oxides are basic in nature. These oxides turn red litmus solution to blue.

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Answer 2

Answer:

c)k and Mg

Explanation:

LITMUS TEST

Bases-turn red litmus to blue.

Potassium and magnesium oxides are basic in nature.

Acids-turn blue litmus red.

Sulphur carbon oxides are acidic.

Oxides of group I and II are basic in nature. Hence, they turn litmus blue. Examples are Na, K, Mg, Ca etc.

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