True False[1 Marks ]

Question 11 Mark

Lime water turns red litmus blue.

Answer

true

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Question 21 Mark

Common salt dissolved in water turns blue litmus red.

Answer

false

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Question 31 Mark

Indicator is a substance which shows different colours in acidic and basic solutions.

Answer

true

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Question 41 Mark

All substances are either acidic or basic.

Answer

false

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Question 51 Mark

Acids are bitter in taste.

Answer

false

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Question 61 Mark

Orange juice turns blue litmus red.

Answer

true

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Question 71 Mark

A neutralisation reaction produces carbon dioxide.

Answer

false

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Question 81 Mark

Red rose extract turns green in acidic solution.

Answer

false

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Question 91 Mark

Onion is a natural indicator.

Answer

false

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Question 101 Mark

Sugar solution is neutral in nature.

Answer

true

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Question 111 Mark

A solution that turns blue litmus red is acidic.

Answer

true

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Question 121 Mark

Acidic substances taste sour.

Answer

true

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Question 131 Mark

Litmus is a synthetic indicator.

Answer

false

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Question 141 Mark

Turmeric turns red in acidic solutions.

Answer

false

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Science True False[1 Marks ]

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