Revision work for chemistry Grade-8 2021.
Revision work for chemistry Grade-8 2021. Chose the best. 1. In a brewery the Fermentation is carried out in ------------------- vats. A. Small B. Large C. Medium D. All 2. Drugs are substances which affect the ----------------------- in some way. A. Plastic B. Rocks C. Body D. None of them 3. I n the 1950s a new drug called Paracetamol was introduced. A. Paracetamol B. Placebo C. Emulsion D. Fermentation 4. An Emulsion is an example of a ---------------- . A. Emulsion B. Fermentation C. Placebo D. Colloidal 5. Detergents are ------------------ agents. A. ...
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