PUMPA - SMART LEARNING

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

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4. True or False. If False, give the correct statement I

1. Concentrated phenol is used as a disinfectant.

As a disinfectant, low-concentrated phenol is used.
As a disinfectant, concentrated phenol is used.

2. Gypsum is largely used in medical industries.

Gypsum is largely used in cement preparation.
Gypsum is widely used in the medical field.

3. Plaster of Paris is obtained from heating gypsum.

Gypsum is obtained from the heating of the Plaster of Paris.
Gypsum is heated to make plaster of Paris.

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