Filler material used in welding having the lowest melting point out of the following is

Question: The cathode in an electrochemical cell always carries
[A].

negative charge.

[B].

positive charge.

[C].

zero charge.

[D].

positive or negative charge depending upon the nature of the cell.

Answer: Option A

Explanation:

No answer description available for this question.

Question: With increase in impurities in metals, their corrosion resistances
[A].

increase

[B].

decrease

[C].

remain same

[D].

may increase or decrease ; depending on the type of metal

Answer: Option B

Explanation:

No answer description available for this question.