On heating copper nitrate strongly,$.......$ is finally obtained.

Silicon chloroform is prepared by

Which of the following oxides is acidic in nature?

$(a)$ Classify the following oxides as neutral,acidic,basic,or amphoteric:
$CO, B_2O_3, SiO_2, CO_2, Al_2O_3, PbO_2, Tl_2O_3$
$(b)$ Write suitable chemical equations to show their nature.

The $[SiO_4]^{4-}$ unit has a tetrahedral structure. Which silicate is formed by sharing three oxygen atoms per $[SiO_4]^{4-}$ unit?

Which of the following statements about zeolites is incorrect?