Chemistry

Conversion of ethanol to ethene by the action of concentrated sulphuric acid
When sodium chloride is heated with concentrated sulphuric acid
Ammonia reacts with excess chlorine to form
Substitution reactions are characteristic reactions of
In Period 3, the most metallic element is
Reduction of copper (II) oxide by hydrogen
Action of dilute sulphuric acid on sodium hydroxide
Action of dilute sulphuric acid on zinc sulphide
Ammonium hydroxide is added to ferrous sulphate solution
Chlorine gas is reacted with ethene
Concentrated nitric acid is reacted with sulphur
Ammonia gas is passed over heated copper (II) oxide
Copper sulphate solution is electrolysed using copper electrodes
A small piece of zinc is added to dilute hydrochloric acid
Lead nitrate is heated strongly in a test tube
The formula that represents the simplest ratio of the various elements
The substance that releases hydronium ion as the only positive ion
The tendency of an atom to attract electrons towards itself
The process by which certain ores, specially carbonates
The covalent bond in which the electrons are shared equally
Arrange in increasing order of the reactivity: K, Pb, Ca, Zn
Arrange in order of preferential discharge at cathode: Mg2+, Cu2+, Na1+, H1+
Arrange in decreasing order of ionization potential: Li, K, Na, H
Arrange in increasing order of electron affinity: F, B, N, O
Arrange in increasing order of molecular weight: Ethane, methane, ethene, ethyne
Name the particles present in: Strong electrolyte
Name the particles present in: Non-electrolyte
Name the particles present in: Weak electrolyte
Distinguish between the following pairs of compounds
Choose the method of preparation of the following salts
Complete the following equations
Write a balanced chemical equation for the preparation of
Name the following organic compounds
Give the chemical formula of
Extraction of aluminium from alumina by Hall-Heroult's Process
The catalyst used to oxidise ammonia
The organic compound which when solidified
The dilute acid which is an oxidizing agent
Copper sulphate solution reacts with sodium hydroxide solution
Find the empirical formula and the molecular formula of an organic compound
Name the gas evolved in each of the following cases
Study the flow chart given and give balanced equations
Industrial method for the preparation of ammonia and sulphuric acid
Action of concentrated nitric acid on copper
Addition of excess ammonium hydroxide into copper sulphate solution
A piece of sodium metal is put into ethanol at room temperature
Zinc carbonate is heated strongly
Sulphide ore is added to a tank containing oil and water
Reaction of excess ammonia with chlorine
Reaction of lead nitrate solution with ammonium hydroxide