Chemistry

F, Cl, Br (Increasing electronegativity)
Na, K, Li (Increasing atomic size)
Action of concentrated Nitric acid on Sulphur
Catalytic oxidation of Ammonia
Laboratory preparation of Nitric acid
Reaction of Ammonia with Nitric acid
Ice like crystals formed on cooling an organic acid sufficiently
Hydrocarbon containing a triple bond used for welding purposes
State the type of Bonding in the following molecules
Distinguish between Ammonium hydroxide and Sodium hydroxide
Distinguish between dilute hydrochloric acid and dilute sulphuric acid
Identify the salts P and Q from the observations
Draw an electron dot diagram to show the formation
State the observations at the anode and at the cathode during the electrolysis of
Select the ion in each case, that would get selectively discharged
Certain blank spaces are left in the following table
Balanced chemical equations to show
Write balanced chemical equations to show how SO3
Propane burns in air according to the following equation
The mass of 11.2 litres of a certain gas at s.t.p. is 24 g
A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
Balanced chemical equation for the preparation of each of the following salts
The property by virtue of which the compound has the same molecular formula
The compound formed where two alkyl groups
Preparation of ethane from Sodium propionate
Action of alcoholic KOH on bromoethane
The process of coating of iron with zinc
An alloy of lead and tin that is used in electrical circuits
An ore of zinc containing its sulphide
A metal oxide that can be reduced by hydrogen
With respect to the electrolytic process in the extraction of aluminum
The metal which does not react with water or dilute H2SO4
The metal whose oxide, which is amphoteric, is reduced to metal
The divalent metal whose oxide is reduced to metal by electrolysis
Metals are good __________ (oxidizing agents / reducing agents)
Electrovalent compounds have __________ (high / low)
Higher the pH value of a solution
__________ (AgCl / PbCl2), a white precipitate is soluble in excess NH4OH
Conversion of ethene to ethane is an example of
An element with the atomic number 19 will most likely combine
The ratio between the number of molecules in 2g of hydrogen
The two main metals in Bronze are
The aim of the Fountain Experiment is to prove that
Action of warm water on AlN
Action of hot and concentrated Nitric acid on copper
Action of Hydrochloric acid on sodium bicarbonate
Action of dilute Sulphuric acid on Sodium Sulphite
Preparation of ethanol from Ethyl Chloride
Dilute Hydrochloric acid is added to Lead nitrate solution
Barium chloride solution is mixed with Sodium Sulphate Solution