Acids

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What causes the sour taste in food?

Presence of acids (correct)

Presence of salts

Presence of bases

Reaction with oxygen

Which natural indicator is mentioned in the text?

Methyl orange

Bromothymol blue

Phenolphthalein

Litmus (correct)

What property of acids and bases allows them to nullify each other's effects?

Boiling point

Color-changing ability

Neutralizing ability (correct)

Density

What color does red litmus turn when it comes in contact with a base?

Blue Signup and view all the answers

What property of soap is mentioned in the text?

Basic in nature Signup and view all the answers

What causes the change in color of blue litmus to red?

Presence of acids Signup and view all the answers

Which substance is used as a remedy for acidity in the text?

Lemon juice Signup and view all the answers

What causes the change in color of red litmus to blue?

Presence of bases Signup and view all the answers

Which property of soap is demonstrated in the text?

Basic nature Signup and view all the answers

What is the effect of scrubbing soap on a curry stain, as mentioned in the text?

It turns yellow Signup and view all the answers

Acids

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Questions and Answers

What causes the sour taste in food?

Which natural indicator is mentioned in the text?

What property of acids and bases allows them to nullify each other's effects?

What color does red litmus turn when it comes in contact with a base?

What property of soap is mentioned in the text?

What causes the change in color of blue litmus to red?

Which substance is used as a remedy for acidity in the text?

What causes the change in color of red litmus to blue?

Which property of soap is demonstrated in the text?

What is the effect of scrubbing soap on a curry stain, as mentioned in the text?

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