Acids & Alkalis Quiz

Guess the answers relating to acids and alkalis
Quiz by Malkiboy
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Last updated: May 15, 2019
First submittedApril 28, 2019
Times taken24
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1. What is an acid?
A solution with a pH exactly 7
A solution with a pH more than 7
A solution with a pH less than 7
2. What is an alkali?
A solution with a pH less than 7
A solution with a pH more than 7
A solution with a pH exactly 7
3. What is an antacid?
A substance which neutralises alkalis in the stomach to relieve indigestion and heartburn
A substance which neutralises acid in the stomach to relieve indigestion and heartburn
4. What do we call solutions which aren't acidic or alkaline?
Nothing
Neither
Neutral
5. How do you get an acidic solution?
Dissolving acid in water
Dissolving alkali in water
6. How do you get an alkaline solution?
Dissolving alkali in water
Dissolving acid in water
7. If a blue litmus paper is put in a solution and it turns red, is it acidic, alkaline or neutral?
Acidic
Neutral
Alkaline
8. If a red litmus paper is put in a solution and it turns blue, is it acidic, alkaline or neutral?
Alkaline
Acidic
Neutral
9. If a red litmus paper is put in a solution and it remains red; ditto for blue, is it acidic, alkaline or neutral?
Acidic
Neutral
Alkaline
10. Who created the pH scale?
Johannes Nicolaus Brønsted
S. P. L. Sørensen
Sophus Mads Jørgensen
11. True or False? : Universal indicator shows how acidic or alkaline a solution is - unlike litmus?
True
False
12. Is universal indicator one indicator or several indicators mixed together?
One
Several mixed together
13. True or False? : The closer to pH 0; the more alkaline it is
False
True
14. True or False? : The closer to pH 14; the more acidic it is
True
False
15. Which of these is NOT an alkali?
Sulphuric acid
Potassium hydroxide
Ammonia
Sodium hydroxide
16. Complete the poem: Here lie the bones of Samuel Jones; He'll never breathe no more; What he thought was H20, ... was... what?
HNO3 (Nitric acid)
H2SO4 (Sulphuric acid)
HCL (Hydrochloric acid)
17. What is it called when an acid is added to an alkali (or vice versa) and they cancel each other out?
Oxidation
Combustion
Neutralisation
Thermal Decomposition
18. Acid + Alkali -->?
Salt + Water + Carbon Dioxide
Salt + hydroxide + Water
Salt + Water
Salt + Hydrogen
19. What is a salt?
NaCl
A compound formed in a neutralisation (water doesn't count)
Sodium chloride
20. Word Equation: HCL + NaOH --> NaCl + H20
Nitric acid + Sodium hydroxide --> Sodium nitrate + Water
Hydrochloric acid + Calcium hydroxide --> Calcium chloride + Water
Hydrochloric acid + Sodium hydroxide --> Sodium chloride + Water
21. Acid + Metal oxide -->?
Salt + hydroxide + Water
Salt + Hydrogen
Salt + Water + Carbon dioxide
Salt + Water
22. Symbol Equation: Copper oxide + Hydrochloric acid --> Copper chloride + Water
CoO + 2HCL --> CoCl2 + H2
CoO + 2HCL --> CoCl2 + H20
CuO + 2HCL --> CuCl2 + H2
CuO + 2HCL --> CuCl2 + H20
23. Metal hydroxide + Acid -->?
Salt + Hydrogen
Salt + Water
Salt + hydroxide + Hydrogen
Salt + Water + Carbon Dioxide
24. Symbol Equation: Sodium hydroxide + Sulphuric acid --> Sodium sulphate + Water
2LiOH + H2SO$ --> LiSO4 + 2H20
2NaOH + H2SO4 --> Na2SO4 + 2H20
25. Metal carbonate + Acid -->?
Salt + Water + Carbon dioxide
Salt + Water
Salt + hydroxide + Water
Salt + Hydrogen
26. Symbol Equation: Copper carbonate + Nitric acid --> Copper nitrate + Water + Carbon dioxide
CoCO3 + 2HNO3 --> Co(NO3)2 + H20 + CO2
CuCO3 + 2HNO3 --> Cu(NO3)2 + H20 + CO2
27. Acid + Metal-->?
Salt + Water
Salt + hydroxide + Water
Salt + Water + Carbon dioxide
Salt + Hydrogen
28. Word Equation: Sodium hydroxide + Hydrochloric acid --> Sodium chloride + Water
NaOH + HCL --> NaCl + H20
CaOH + HCL --> CaCl + H20
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