Match List I with List II and select the answer using the code given below the Lists:

List I (Chemical Name)	List II (Chemical Formula)
A. Washing soda	1. CaOCl₂
B. Baking soda	2. NaHCO₃
C. Bleaching powder	3. Na₂CO₃·10H₂O
D. Gypsum	4. CaSO₄·2H₂O

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Which one of the following nitrogen oxides may dimerize?

Which one of the following statements regarding oxidation and reduction reactions is NOT correct?

Match List I with List II and select the answer using the code given below the Lists:

List I (Physical Quantity)	List II (SI Unit)
A. Temperature	1. Kelvin
B. Weight	2. Kilogram
C. Mass	3. Pascal
D. Pressure	4. Newton

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