IG Chem – Identifying Gases – OnlineTuition.com.my

Question 1 of 10

1 point(s)

Many chemical reactions produce a gas as one of the products.

true
false

Question 2 of 10

1 point(s)

Hydrogen gas relights a glowing splint.

true
false

Question 3 of 10

1 point(s)

Oxygen gas turns limewater cloudy.

true
false

Question 4 of 10

1 point(s)

Carbon dioxide gas causes limewater to go cloudy/milky.

true
false

Question 5 of 10

1 point(s)

Chlorine gas turns red litmus paper blue.

true
false

Question 6 of 10

1 point(s)

Ammonia gas turns red litmus paper blue.

true
false

Question 7 of 10

1 point(s)

Sulfur dioxide gas turns filter paper soaked in acidified potassium manganate(VII) from purple to colorless.

true
false

Question 8 of 10

1 point(s)

Aluminium ions form a green precipitate with sodium hydroxide.

true
false

Question 9 of 10

1 point(s)

Calcium ions form a white precipitate that dissolves in excess sodium hydroxide.

true
false

Question 10 of 10

1 point(s)

Zinc ions form a white precipitate that dissolves in excess sodium hydroxide solution.

true
false

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