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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Preparation of phosphate buffer and Carbonate-Bicarbonate buffer.

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When acids react with metal oxide it produce-?

a: water and salt Explanation

Explanation

b: salts and hydrogen gas Explanation

Explanation

c: salts only Explanation

Explanation

d: no reaction takes place Explanation

Explanation

Ammonium sulphate salt is-?

a: basic salt Explanation

Explanation

b: acidic salt Explanation

Explanation

c: Neutral salt Explanation

Explanation

d: Complex salt Explanation

Explanation

Range of pH scale is- ?

a: 7 to 1 Explanation

Explanation

b: 0 to 10 Explanation

Explanation

c: 0 to 14 Explanation

Explanation

d: 7 to 14 Explanation

Explanation

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