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Science Quiz on Acids, Bases, and Reactions

10 Questions

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Science Quiz on Acids, Bases, and Reactions

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Questions and Answers

What sound indicates the presence of hydrogen gas when a lighted splint is placed in a gas test tube?

A low rumble

A steady hum

A high-pitched whistle

A squeaky pop (correct)

Which of the following processes would NOT yield oxygen gas when tested with a glowing splint?

The decomposition of potassium chlorate

The decomposition of hydrogen peroxide

The reaction of sodium bicarbonate with an acid

The reaction of magnesium with hydrochloric acid (correct)

What happens to a glowing splint when it is placed in a test tube containing oxygen gas?

It extinguishes immediately

It flickers briefly before going out

It ignites into a flame

It relights brightly (correct)

Which acid is primarily used for enhancing the flavor of food?

Acetic acid Signup and view all the answers

Calcium hydroxide is used for which of the following purposes?

Bleaching powder and soil treatment Signup and view all the answers

What gas is produced when calcium carbonate reacts with hydrochloric acid?

Carbon dioxide Signup and view all the answers

Which of the following correctly describes the testing procedure for oxygen gas?

A glowing splint is used; if it relights, oxygen is present. Signup and view all the answers

Which statement about acids and metals is correct?

Metals react with acids to produce hydrogen gas and a salt. Signup and view all the answers

What happens to limewater when carbon dioxide gas is bubbled through it?

It turns milky or cloudy. Signup and view all the answers

In the reactions mentioned, what is the primary product formed when magnesium reacts with hydrochloric acid?

Hydrogen gas Signup and view all the answers