Chemical Bonding — Chemistry STD 10 — Question

According to Avogadro's Law, if 2.0 dm³ of oxygen gas (O₂) is at the same temperature and pressure as N₂ gas, the number of molecules of oxygen is ________ (greater than/less than/equal to) the number of molecules of nitrogen.

Ammonia gas burns with a ________ [greenish/yellowish] flame in the atmosphere of oxygen to form ________ [nitrogen gas/nitrous oxide gas] and water.

A metal M which will forms M³⁺ by electron ________ [loss/gain], such that it is ________. [oxidised/reduced]

Complete :
The organic acid present in vinegar is ……………………..

During electrolytic reduction of alumina, the inert electrode is ________ [reduced/oxidised] to a neutral gas.

Element X belongs to group 2 and period 3 of the periodic table. It has __________ electrons in the outer most shell.

An example of a salt which produces neutral solution on hydrolysis is ________. [sodium acetate/sodium carbonate/sodium chloride]

Ethene reacts with chlorine to give _______ products.

Fill in the blanks:
Zinc blend is converted to oxide by ……… (roasting/calcination) process.

In solution or in molten state a _______ electrolyte consists almost entirely of ions.