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Jouer Froggy Jumps
1. Carbon + Oxygen -->
A
Carbon oxide
B
Carbon dioxide
C
Carbon trioxide
2. Magnesium + Oxygen -->
A
Magnesium hydride
B
Megnesium oxide
C
Magnesium trioxide
3. Sulphur + Dilute acid -->
A
Hydrogen gas
B
Water
C
No reaction
4. Metal + Acid -->
A
Water
B
No reaction
C
Salt and Hydrogen gas
5. Sodium + Water →
A
Sodium hydroxide + Hydrogen gas
B
Oxide of phosphorus
C
Acid