Please say 100% sure answers 18.
19.
20.
21.
22.
Wt. h or tix or
WbEh way of
a) Acid • base -
b) Acid • base Warcr
c) Acui sodium hydro
d) Acid :.neutralsolution
I fa bag in water by what
pH scak was invental by. -
a) R&rt Boyk b) Newton' A
pH value of grape
b) 2 tog
a) J to 2
On dissolving bucs in water —
water
a) NaOH
b) KOH
23. Ackl rail '*curs wien pH vahrs ofrail
24. To get ofstomach pam caugd
a) weak
23.
