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WorksheetsAcid and Alkali
Total questions: 15
Worksheet time: 8mins
When you get a bee sting, what will you use to make you feel better ?
Water
Baking soda
Milk
Toothpaste
What is the meaning of the above hazard warning symbol?
Corrosive
Explosive
Toxic
Radioactive
Acid in soft drink:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
The color of litmus in acid:
Red
Blue
Purple
Green
Which of the following will change the red litmus paper to blue?
Sodium hydroxide
Hydrochloric acid
Sulphuric acid
Nitric acid
Which of the following indicator will show different colour in acid, neutral and alkali?
Phenolphtalein
Universal indicator
Methyl orange
Litmus paper
Sodium hydroxide is used
to make fertilisers.
to make battery.
to cure gastritis.
to make detergent.
Nitric acid + __________ → Sodium nitrate + Water
Aluminium oxide
Magnesium hydroxide
Sodium hydroxide
The technique used in neutralisation is called
filtration.
titration.
What is the example of alkaline substance
bitter gourd
lemon juice
cooking oil
mineral water
Which of the following can be used to replace tamarin in cooking?
Papaya
Long bean
Salted egg
Tomato
Teacher has run out of litmus paper. Which of the following indicator can be used to replace the litmus paper?
Chili
Soy source
Baking powder
Hibiscus extract
Acid reacts with metal to produce ___________ gas.
oxygen
carbon dioxide
hydrogen
nitrogen dioxide
______ facial cleanser can be neutralised by _______ facial toner.
Acidic, acidic
Acidic, alkaline
Alkaline, alkaline
Alkaline, acidic
Waste substances from factories will be treated with _________ before being discharge into the river.
acid
alkali
