Refractory metals are used in the construction of furnaces because:
- AThey can withstand high temperatures
- BThey are chemically inert
- CTheir melting point is high
- DNone of these
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Similar Questions
Aluminium is the most abundant metal in the Earth's crust,yet it is primarily obtained from bauxite because:
Easy
View SolutionMatch List-$I$ with List-$II$:
List-$I$ List-$II$ $(a)$ Sphalerite $(i)$ $FeCO_3$ $(b)$ Calamine $(ii)$ $PbS$ $(c)$ Galena $(iii)$ $ZnCO_3$ $(d)$ Siderite $(iv)$ $ZnS$
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
| $(a)$ Sphalerite | $(i)$ $FeCO_3$ |
| $(b)$ Calamine | $(ii)$ $PbS$ |
| $(c)$ Galena | $(iii)$ $ZnCO_3$ |
| $(d)$ Siderite | $(iv)$ $ZnS$ |
Choose the correct answer from the options given below:
$A$ mineral is called an ore $(ore)$ only when .....
Easy
View SolutionWhich of the following is an ore of zinc?
Easy
View SolutionWhat is the formula of pyrolusite ore?
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