Advertisements
Advertisements
प्रश्न
Name the following.
The property possessed by metals by which they can be beaten into sheets.
उत्तर
Malleability is the property possessed by metals by which they can be beaten into sheets.
APPEARS IN
संबंधित प्रश्न
What is rust? Give the equation for the formation of rust ?
State on what special properties the use of each of these metals depends:
zinc
State the use of:
cast iron
How do the properties of an alloy differ from alloy constituents?
Name an alloy of zinc used in naval ships.
From the metals: copper, iron, magnesium, sodium, and zinc, select a different metal in the case which arranges the above metals in the decreasing order of reactivity.
Identify the pairs of metals and their ores from the following.
| Group A | Group B |
| a. Bauxite | i. Mercury |
| b. Cassiterite | ii. Aluminium |
| c. Cinnabar | iii. Tin |
Give two properties of alloys which are different from constituent metals.
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(a) Does not react with dilute hydrochloric acid
(b) Can form 2+ and 3+ ions
(c) Has a hydroxide that reacts with both acid and alkalis.
(d) Does not react with cold water, but reacts with steam when heated.
Name the ore of zinc containing its sulphide.
