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13 questions
Which of the following is a neutralization reaction?
2Na + Cl2 → 2NaCl
CH4 + 2O2 → CO2 + 2H2O
HCl + KOH → KCl + H2O
CaCO3 → CO2 + CaO
What is the pH of a reaction between a strong acid and strong base?
0
5
10
7
As the pH of a solution gets lower, the solution becomes more _____.
acidic
basic (or alkaline)
neutral
ionic
Predict the products of this reaction.
HCl + Ca(OH)2
NaCl
CaCl2
CaCl2 + H2O
H2O
Which element is common to all acids?
Hydrogen
Oxygen
Carbon dioxide
Helium
When carbonates react with acids, which gas is produced?
Hydrogen
Carbon dioxide
Oxygen
Nitrogen
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide -->
Magnesium chloride + water
Magnesium + water
Magnesium chloride + hydrogen
Magnesium chloride + water + carbon dioxide
.............................. + sodium hydroxide --> sodium chloride + water
Nitric acid
Sulphuric acid
Hydrochloric acid
Ethanoic acid
Which of the following is a neutralization reaction?
2Na + Cl2 → 2NaCl
CH4 + 2O2 → CO2 + 2H2O
HCl + KOH → KCl + H2O
CaCO3 → CO2 + CaO
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