Acids and bases: Choose the correct answer — task. Science State Board, Class 8.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1.

What is the best way to dilute an acid?

We should add the solvent slowly.
We can directly add the solvent to concentrated acid.
We can add the acid fastly.
We can mix solvent and acid simultaneously.

2.

Which of the following is used in antacids for acidity?

Sodium hydroxide
Ammonium hydroxide
Magnesium hydroxide

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