SSC JE Mechanical Engineering 1st March 2017 Shift-2 Question 183

Question 183

Read the pairs given below -
Name : Formula
1. Acetone : $$CH_2OHCHOHCH_2OH$$
2. Ethanal : $$CH_3CHO$$
3. Formaldehyde : $$HCHO$$
4. Glycerol : $$CH_3COCH_3$$

Which of the above pairs are correctly matched?


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