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प्रश्न
Name the metal which is a constituent of blood pigment?
उत्तर
The metal which is a constituent of blood pigment is iron (Fe).
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संबंधित प्रश्न
Write two methods of preventing the rusting of iron.
Fill in the following blank with suitable word:
The corrosion of iron is called ................
Name two metals which resist corrosion due to the formation of a thin, hard and impervious layer of oxide on their surface.
In stainless steel alloy, iron metal is mixed with:
(a) Cu and Cr
(b) Cr and Ni
(c) Cr and Sn
(d) Cu and Ni
Stainless steel is an alloy of _______.
Write the name.
An alloy of copper and tin-
Complete flow chart given below.
Give the equation for the formation of rust.
The table shown below gives information about four substances: A, B, C and D.
| SUBSTANCE | MELTING POINT (K) | ELECTRICAL CONDUCTIVITY | |
| SOLID | LIQUID/ AQUEOUS | ||
| A | 295 | Good | Good |
| B | 1210 | Poor | Good |
| C | 1890 | Poor | Good |
| D | 1160 | Poor | Poor |
Identify Ionic compounds from the above given substances.
Give scientific reasons.
Silver amalgam is used for filling dental cavities.
