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Hydrolysis of which of the following carbides does not take place?
Easy
View SolutionWhat is the increasing order of stability of dihalides of $Si$,$Ge$,$Sn$,and $Pb$?
Medium
View SolutionThe tendency of catenation in group-$14$ elements follows the order:
Which of the following statements are correct?
$i$. The basic structural unit of silicates is $SiO_4^{4-}$
$ii$. Silicones are biocompatible
$iii$. Producer gas contains $CO$ and $N_2$
The correct option is
$i$. The basic structural unit of silicates is $SiO_4^{4-}$
$ii$. Silicones are biocompatible
$iii$. Producer gas contains $CO$ and $N_2$
The correct option is
Assertion $(A)$: Graphite is used as a dry lubricant in machines which run at high temperatures.
Reason $(R)$: The layers of graphite slip one over the other when pressure is applied.
The correct option among the following is:
Reason $(R)$: The layers of graphite slip one over the other when pressure is applied.
The correct option among the following is:
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