Chemistry General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	Phosphide ion has the electronic structure similar to that of	Nitride ion Fluoride ion Sodium ion Chloride ion
2	Which one of the following elements occurs free in nature?	* N* P As Sb
3	Red lead is	PbO Pb<sub>3</sub>O<sub>4</sub> <span style="font-size: 14.44444465637207px;">Pb</span><span style="font-size: 14.44444465637207px;">O</span><sub>2</sub> <span style="font-size: 14.44444465637207px;">Pb</span><sub>4</sub><span style="font-size: 14.44444465637207px;">O</span><sub>3</sub>
4	The principle constituent of pyrex glass is	Zn B Pb CI
5	The halide which is not hydrolysed is	SiCI<sub>4</sub> SiF<sub>4</sub> CCI<sub>4</sub> PbCI<sub>4</sub>

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