$CO_2$ and $N_2$ do not support combustion. However,$CO_2$ is preferred over $N_2$ for extinguishing fires because $CO_2$ .......
- Adoes not burn
- Bforms combustible products with burning substances
- Cis heavier than nitrogen
- Dis a more reactive gas
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When graphite is heated at $300^{\circ} C$ with potassium vapour,it forms $C_8K$ compound that shows one of the following property.
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$H_4SiO_4$ $\xrightarrow[{-H_2O}]{1000^{\circ}C} A$ $\xrightarrow[\Delta]{Carbon} B + CO$
Which one of the following phosphorus halides contains both tetrahedral and octahedral shaped ions in its solid state?
Give reasons: Diamond is used as an abrasive.
Easy
View SolutionAmong the following elements,$X$ exhibits maximum catenation and $Y$ is the least abundant on earth. $X$ and $Y$ elements are
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