The ore pitchblende is the main source of
- A$Ra$
- B$Ce$
- C$Th$
- D$Ra$ and $U$
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Similar Questions
Find the incorrectly matched pair?
Column-$I$ (Ores) Column-$II$ (Metals) $A$. Sylvine Potassium $B$. Malachite Magnesium $C$. Cinnabar Mercury $D$. Fluorite (Fluorspar) Calcium
| Column-$I$ (Ores) | Column-$II$ (Metals) |
| $A$. Sylvine | Potassium |
| $B$. Malachite | Magnesium |
| $C$. Cinnabar | Mercury |
| $D$. Fluorite (Fluorspar) | Calcium |
Easy
View SolutionCassiterite is an ore of which of the following?
Easy
View SolutionWhich one of the following is the mineral for tin?
Aluminium is the most abundant metal in the Earth's crust,yet it is primarily obtained from bauxite because:
Easy
View Solution$ACl_2$ (excess) + $BCl_2$ $\rightarrow$ $ACl_4$ + $B \downarrow$
$BO \xrightarrow[\Delta]{> 400 \ ^oC} \frac{1}{2} O_2 + B$
If $A$ and $B$ are metals,then the ore of $B$ would be:
$BO \xrightarrow[\Delta]{> 400 \ ^oC} \frac{1}{2} O_2 + B$
If $A$ and $B$ are metals,then the ore of $B$ would be:
Difficult
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