© ntscience.co.uk 2005ks3 unit 7e acids and alkalis1 acids and alkalis
TRANSCRIPT
KS3 Unit 7e Acids and Alkalis 1© NTScience.co.uk 2005
Acids and Alkalis
KS3 Unit 7e Acids and Alkalis 2© NTScience.co.uk 2005
Q1. What is a chemical with a pH less than 7
called?
KS3 Unit 7e Acids and Alkalis 3© NTScience.co.uk 2005
A1. Acid
KS3 Unit 7e Acids and Alkalis 4© NTScience.co.uk 2005
Q2. What is a chemical with a pH more than 7
called?
KS3 Unit 7e Acids and Alkalis 5© NTScience.co.uk 2005
A2. Alkali
KS3 Unit 7e Acids and Alkalis 6© NTScience.co.uk 2005
Q3. What is a chemical with a pH of 7 called?
KS3 Unit 7e Acids and Alkalis 7© NTScience.co.uk 2005
A3. Neutral
KS3 Unit 7e Acids and Alkalis 8© NTScience.co.uk 2005
Q4. What shows whether something is
alkali or acid?
KS3 Unit 7e Acids and Alkalis 9© NTScience.co.uk 2005
A4. An Indicator
KS3 Unit 7e Acids and Alkalis 10© NTScience.co.uk 2005
Q5. What is a liquid with a solid dissolved in it
called?
KS3 Unit 7e Acids and Alkalis 11© NTScience.co.uk 2005
A5. A Solution
KS3 Unit 7e Acids and Alkalis 12© NTScience.co.uk 2005
Q6. What do you call it when substances
chemically combine?
KS3 Unit 7e Acids and Alkalis 13© NTScience.co.uk 2005
A6. A reaction, react
KS3 Unit 7e Acids and Alkalis 14© NTScience.co.uk 2005
Q7. What is the scientific way of writing down a
chemical reaction called?
KS3 Unit 7e Acids and Alkalis 15© NTScience.co.uk 2005
A7. A Word Equation
KS3 Unit 7e Acids and Alkalis 16© NTScience.co.uk 2005
Q8. What is a dangerous substance that dissolves other materials called?
KS3 Unit 7e Acids and Alkalis 17© NTScience.co.uk 2005
A8. Corrosive
KS3 Unit 7e Acids and Alkalis 18© NTScience.co.uk 2005
Q9. What is a corrosive alkali is called?
KS3 Unit 7e Acids and Alkalis 19© NTScience.co.uk 2005
A9. Caustic
KS3 Unit 7e Acids and Alkalis 20© NTScience.co.uk 2005
Q10. Name a yellow citrus fruit
KS3 Unit 7e Acids and Alkalis 21© NTScience.co.uk 2005
A10. Lemon Grapefruit
KS3 Unit 7e Acids and Alkalis 22© NTScience.co.uk 2005
Q11. Name an acid found in grapefruits and
oranges
KS3 Unit 7e Acids and Alkalis 23© NTScience.co.uk 2005
A11. Citric Acid
KS3 Unit 7e Acids and Alkalis 24© NTScience.co.uk 2005
Q12. What acid do you put on your chips together with salt?
KS3 Unit 7e Acids and Alkalis 25© NTScience.co.uk 2005
A12. Vinegar(Acetic Acid,
Ethanoic Acid)
KS3 Unit 7e Acids and Alkalis 26© NTScience.co.uk 2005
Q13. What common chemical removes colour
or stains from cloth?
KS3 Unit 7e Acids and Alkalis 27© NTScience.co.uk 2005
A13. Bleach
KS3 Unit 7e Acids and Alkalis 28© NTScience.co.uk 2005
Q14. Name a red and blue indicator
KS3 Unit 7e Acids and Alkalis 29© NTScience.co.uk 2005
A14. Litmus
KS3 Unit 7e Acids and Alkalis 30© NTScience.co.uk 2005
Q15. What is the most common solvent called?
KS3 Unit 7e Acids and Alkalis 31© NTScience.co.uk 2005
A16. Water
KS3 Unit 7e Acids and Alkalis 32© NTScience.co.uk 2005
Q17. What acid is in a lead-acid car battery?
KS3 Unit 7e Acids and Alkalis 33© NTScience.co.uk 2005
A17. Sulphuric Acid
KS3 Unit 7e Acids and Alkalis 34© NTScience.co.uk 2005
Well Done!Now check your score