Question

Which of the following materials are used as a gel to which biocatalytic membrane is fixed in ammonia selective electrode?

a.

Urea

b.

Urease

c.

Acrylamide

d.

Polyacrylamide

Answer: (c).Acrylamide

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Q. Which of the following materials are used as a gel to which biocatalytic membrane is fixed in ammonia selective electrode?

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