Question

QI. Observe the following table carefully
(2)
Chemical substance
State at 20°C
pH in water
Reaction with acid
A
gas
1
nonc
В
liquid
7
none
solid
4
nonc
D
solid
14
Forms a salt and water
E
solid
No reaction
fizzes
Use the table to write the LETTER of the chemical substance which
a) forms the most strongly acidic solution
b) forms a solution which turns pH paper orange
c) Forms a neutral solution
d) is water
02 1) Differentiate between neutralisation and precipitation reaction along with a chemical equation in each
1) Write a balanced chemical equation for the following reactions and identify the type of reaction in each case
023
a) Magnesium nibbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride
b) Chlorine gas s passed in an aqueous potassium iodide solution to form potassium chloride solution and solid wodine​

Answer 1

Answer:

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