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Identify gases with laboratory tests

9th grade (Year 10 in England) · 16 questions · Common Core: NGSS.HS-PS1-2, NGSS.SEP 3 · England: GCSE Combined Science: Chemical analysis

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1
Question 1
Tests for gases: which statement is NOT true?
- A. Chlorine turns limewater milky.
- B. Chlorine may turn damp blue litmus red before bleaching it.
- C. Limewater is a solution of calcium hydroxide.
- D. Hydrogen gives a squeaky pop with a lighted splint.
2
Question 2
Which gas gives this result: bubbled through limewater, it turns it milky?
- A. hydrogen
- B. oxygen
- C. carbon dioxide
- D. chlorine
3
Question 3
Marble chips fizz in acid. Which test identifies the gas made?
- A. damp litmus is bleached
- B. a lighted splint pops
- C. limewater turns milky
- D. a glowing splint relights
4
Question 4
Tests for gases: which statement is NOT true?
- A. Hydrogen gives a squeaky pop with a lighted splint.
- B. Chlorine may turn damp blue litmus red before bleaching it.
- C. Oxygen gives a squeaky pop.
- D. Oxygen relights a glowing splint.
5
Question 5
Which gas gives this result: a glowing splint relights?
- A. hydrogen
- B. oxygen
- C. carbon dioxide
- D. chlorine
6
Question 6
Hydrogen peroxide decomposes with a catalyst and the gas relights a glowing splint. Which gas is it?
- A. chlorine
- B. carbon dioxide
- C. oxygen
- D. hydrogen
7
Question 7
Tests for gases: which statement is NOT true?
- A. Oxygen gives a squeaky pop.
- B. Limewater is a solution of calcium hydroxide.
- C. Oxygen relights a glowing splint.
- D. Hydrogen gives a squeaky pop with a lighted splint.
8
Question 8
Which gas gives this result: bubbled through limewater, it turns it milky?
- A. hydrogen
- B. oxygen
- C. carbon dioxide
- D. chlorine
9
Question 9
A gas puts out a lighted splint and turns limewater milky. What is it?
- A. hydrogen
- B. carbon dioxide
- C. chlorine
- D. oxygen
10
Question 10
Tests for gases: which statement is NOT true?
- A. Chlorine may turn damp blue litmus red before bleaching it.
- B. Hydrogen gives a squeaky pop with a lighted splint.
- C. Chlorine turns limewater milky.
- D. Limewater is a solution of calcium hydroxide.
11
Question 11
Which gas gives this result: a glowing splint relights?
- A. hydrogen
- B. oxygen
- C. carbon dioxide
- D. chlorine
12
Question 12
Why must the chlorine test be done in a fume cupboard?
- A. Chlorine is radioactive
- B. Chlorine is invisible
- C. Chlorine explodes
- D. Chlorine is toxic
13
Question 13
Tests for gases: which statement is NOT true?
- A. Carbon dioxide relights a glowing splint.
- B. Chlorine may turn damp blue litmus red before bleaching it.
- C. Limewater is a solution of calcium hydroxide.
- D. Hydrogen gives a squeaky pop with a lighted splint.
14
Question 14
Which gas gives this result: a glowing splint relights?
- A. hydrogen
- B. oxygen
- C. carbon dioxide
- D. chlorine
15
Question 15
Why must the chlorine test be done in a fume cupboard?
- A. Chlorine is toxic
- B. Chlorine is invisible
- C. Chlorine explodes
- D. Chlorine is radioactive
16
Question 16
Tests for gases: which statement is NOT true?
- A. Hydrogen gives a squeaky pop with a lighted splint.
- B. Carbon dioxide relights a glowing splint.
- C. Limewater is a solution of calcium hydroxide.
- D. Oxygen relights a glowing splint.

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