Neutralisation and naming salts
8th grade (Year 9 in England) · 16 questions · Common Core: NGSS.MS-PS1-2, NGSS.HS-PS1-2 · England: KS3 Chemistry: Chemical reactions, KS4 Combined Science: Chemical changes
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Date
Score/ 16
Question 1
What are the products when an acid neutralises an alkali?
- A. oxygen and water
- B. a salt and water
- C. an acid and a base
- D. a salt and hydrogen
Question 2
Name the salt: magnesium + hydrochloric acid → ___ + hydrogen
- A. magnesium oxide
- B. magnesium chloride
- C. magnesium nitrate
- D. magnesium sulfate
Question 3
25 cm³ of an acid starts at pH 1. An alkali is added 10 cm³ at a time. The pH readings are 1, 3, 5, 7. What total volume of alkali made the solution neutral, in cm³?
Answercm³
Question 4
Which gas is produced when a carbonate reacts with an acid?
- A. nitrogen
- B. oxygen
- C. carbon dioxide
- D. hydrogen
Question 5
Name the salt: magnesium + nitric acid → ___ + hydrogen
- A. magnesium chloride
- B. magnesium nitrate
- C. magnesium oxide
- D. magnesium sulfate
Question 6
20 cm³ of an acid starts at pH 1. An alkali is added 10 cm³ at a time. The pH readings are 1, 4, 7. What total volume of alkali made the solution neutral, in cm³?
Answercm³
Question 7
Indigestion tablets help with too much stomach acid because they…
- A. turn the acid into sugar
- B. contain bases that neutralise some of the acid
- C. contain more acid
- D. kill all the stomach's bacteria
Question 8
Name the salt: sodium hydroxide + nitric acid → ___ + water
- A. sodium oxide
- B. sodium chloride
- C. sodium sulfate
- D. sodium nitrate
Question 9
20 cm³ of an acid starts at pH 2. An alkali is added 10 cm³ at a time. The pH readings are 2, 3, 5, 6, 7. What total volume of alkali made the solution neutral, in cm³?
Answercm³
Question 10
Which gas is produced when a metal reacts with an acid?
- A. carbon dioxide
- B. oxygen
- C. hydrogen
- D. chlorine
Question 11
Name the salt: magnesium + sulfuric acid → ___ + hydrogen
- A. magnesium sulfate
- B. magnesium nitrate
- C. magnesium chloride
- D. magnesium oxide
Question 12
20 cm³ of an acid starts at pH 2. An alkali is added 10 cm³ at a time. The pH readings are 2, 4, 5, 7. What total volume of alkali made the solution neutral, in cm³?
Answercm³
Question 13
What are the products when an acid neutralises an alkali?
- A. a salt and water
- B. oxygen and water
- C. a salt and hydrogen
- D. an acid and a base
Question 14
Name the salt: zinc + hydrochloric acid → ___ + hydrogen
- A. zinc chloride
- B. zinc nitrate
- C. zinc sulfate
- D. zinc oxide
Question 15
20 cm³ of an acid starts at pH 2. An alkali is added 10 cm³ at a time. The pH readings are 2, 5, 7. What total volume of alkali made the solution neutral, in cm³?
Answercm³
Question 16
Which gas is produced when a carbonate reacts with an acid?
- A. carbon dioxide
- B. hydrogen
- C. nitrogen
- D. oxygen
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