Question

A salt is produced by the reaction between an acid and a base. Identify the acid and the base

from which the following salts have been formed

i) Na2
SO4

ii) NH4Cl iii) KNO3

iv) NaCl

b) Which of the above salt has a pH less than 7?Why ?​

Answer 1

Answer:

4 is the answer

Explanation:

have a nice day

Nacl

Answer 2

Explanation:

1)BASE+ACID=SALT+WATER

NAOH+H2SO4=NA2SO4+H2O

NH4OH+HCL=NH4CL+H2O

KOH+HNO3=KNO3+H2O

NAOH+HCL=NACL+H20

2)NH4CL has ph value less than 7

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