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- 1. Multiple Choice
State the taste of this fruit?
Tastles
Bitter
Sour
Sweet
- 2. Multiple Choice
What is the example of alkaline substance
bitter gourd
lemon juice
cooking oil
mineral water
- 3. Multiple Choice
Name the indicator used to determine the chemical properties of toothpaste and pineapple juice?
Red and Blue litmus paper
Filter paper
Colour paper
Petri dish
- 4. Multiple Choice
Is it acid or alkali when the pH is 4 pH
Acid
Alkali
Neutral
- 5. Multiple Choice
What is an example of neutral
Vinegar
Water
Milk
Drain cleaner
- 6. Multiple Choice
When you get a bee sting, what will you use to make you feel better ?
Water
Baking soda
Milk
Toothpaste
- 7. Multiple Choice
The other name of alkali is basic
True
False
- 8. Multiple Choice
What is the meaning of the above hazard warning symbol?
Corrosive
Explosive
Toxic
Radioactive
- 9. Multiple Choice
The color of litmus in acid:
Red
Blue
Purple
Green
- 10. Multiple Choice
What colour does red litmus paper turn when added to an alkali?
Blue
Red
Green
Colourless
- 11. Multiple Choice
What kind of acid is present in your stomach?
Sulfuric acid
Hydrochloric acid
Citric acid
Nitric acid
- 12. Multiple Choice
Which of the following about properties of acid is not true?
pH less than 7
Tastes bitter
Corrosive
Turns blue litmus paper to red
- 13. Multiple Choice
Sodium hydroxide is used
to make fertilisers.
to make battery.
to cure gastritis.
to make detergent.
- 14. Multiple Choice
PH scale
pH ruler
pH scale
pH statistical tables
- 15. Multiple Choice
Tell 3 things that contain acid
Lemon, baking soda, water
Water, tomato, vinegar
Vinegar, hand soap, drain cleaner
Vinegar, milk, hydrochloric acid
- 16. Multiple Choice
What is the color for the strongest acid and what pH is
Green, 0 pH
Purple, 3pH
Orange, 1 pH
Red, 0 pH
- 17. Multiple Choice
What is human blood
Acid
Alkali
Neutral
Nothing
- 18. Multiple Choice
The reaction between acid and alkali known as
Titration
Neutralisation
Halogenation
Addition
- 19. Multiple Choice
Toothpaste will help to reduce acidity on tooth surface produced by bacteria.
This means toothpaste is
Alkaline
Acidic
Amphoteric
Neutral
- 20. Multiple Choice
Potassium hydroxide is
Alkaline
Acidic
Neutral
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