Chemistry

DIRECTIONS : Chemistry Questions and Answers.
16. Non metals are good ____ agents.
 
Answer
Ans:reducing
17. Ethanol can be prepared by the fermentation of _____
 
Answer
Ans: Molasses

18. _____ efflorescences in air.
 
Answer
Ans: Sodium carbonate
19. Solder is an alloy of ___ and ___
 
Answer
Ans: lead, tin
20. Vinegar is prepared by the bacterial oxidation of _____
 
Answer
Ans: ethanol
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