acid and alkali
Assessment
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FATIN Moe
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Science
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3rd Grade
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7 plays
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Medium
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7 questions
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1.
Multiple Choice
What is the property of the substance based on the change in the colour of litmus paper?
alkaline
acidic
neutral
2.
Multiple Choice
What is the property of the substance based on the change in the colour of litmus paper
neutral
alkaline
acidic
3.
Multiple Choice
What is the property of the substance based on the change in the colour of litmus paper?
acidic
alkaline
neutral
4.
Multiple Choice
Choose one example of alkaline substance
lime juice
coffee
bittergourd
soda bicarbonate
5.
Multiple Select
Besides litmus paper, acidic and alkaline substances may also be tested using extracts of ___________ , ______________ and ___________________ .
hibiscus extract
bitter gourd extract
turmeric extract
purple cabbage extract
6.
Multiple Choice
Why does toothpaste have alkaline properties?
toothpaste can make our teeth become healthy
toothpaste can neutralise acid in the mouth
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