Pick the correct statement from the following?
i,ii, iii
i only
i, iii only
None of them are correct
A. 0 + 2 = 2 which is a whole number
B. 0 ÷ 49843 = 0 which is a whole number
C. Commutative property of whole number.
In the product 5mab,
(i) 5 is the numerical coefficient of mab.
(ii) the coefficient of ab is 5m.
(iii) m, a and b are the only factors.
The only correct combination for SN2 reaction.
Choose the correct statements regarding the gastric juices.
I. Pepsin converts proteins into peptones partially.
II. Hydrochloric acid kills the germs present in food and regulates pH for digestion in the stomach.
III. Mucus protects the stomach wall from the action of digestive juices.