Reactions Of Metals And Metal Carbonates
7 Questions
| Attempts: 76
Questions and Answers
- 1.What is the formula for carbon dioxide?
- A.
C2O
- B.
CO
- C.
CO2
- D.
C2O2
- 2.What is the test and positive result for hydrogen gas?
- A.
Universal indicator - red
- B.
Limewater - cloudy
- C.
Litmus paper - blue
- D.
Lit splint - squeaky pop
- 3.What is the formula for hydrogen gas?
- A.
H
- B.
H2
- C.
H
- D.
H2
- 4.What is the test and positive result for carbon dioxide gas?
- A.
Limewater - cloudy
- B.
Universal indicator - red
- C.
Lit splint - squeaky pop
- D.
Litmus paper - blue
- 5.What is NOT a observation in a chemical reaction?
- A.
Change of colour
- B.
Change of temperature
- C.
Change of odour
- D.
Change of state
- E.
Effervescence (bubbles)
- 6.Acid + Metal --> [Blank] + hydrogen
- 7.Acid + Metal carbonate --> Salt + Water + [Blank]
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