Chemistry

Reaction of carbon powder and concentrated nitric acid
The particles present in strong electrolytes are
Action of concentrated sulphuric acid on carbon
The method used to separate ore from gangue by preferential wetting
Name the main component of the following alloys
Complete the following table which relates to the homologous series of hydrocarbons
Name the most common ore of the metal aluminum from which the metal is extracted
Name the process by which impure ore of aluminum gets purified by using concentrated solution of an alkali
Write the equation for the formation of aluminum at the cathode during the electrolysis of alumina
A compound X (having vinegar like smell) when treated with ethanol in the presence of the acid Z
Ethane burns in oxygen to form CO2 and H2O according to the equation
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively
Give a chemical test to distinguish between the following pairs of chemicals
Write a balanced equation for the preparation of each of the following salts
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of Nitric acid
State why for the preparation of Nitric acid, the complete apparatus is made up of glass
Which property of sulphuric acid is shown by the reaction of concentrated sulphuric acid with
The energy required to remove an electron
The compound that does not have a lone pair of electrons
When a metallic oxide is dissolved in water
Potassium sulphite on reacting with hydrochloric acid
The compound formed when ethene reacts with Hydrogen is
A chloride which forms a precipitate
If the molecular formula of an organic compound
A common characteristic of a covalent compound
To increase the pH value of a neutral solution
Anhydrous iron(III) chloride is prepared by
Cation that does not form a precipitate with ammonium hydroxide
The electrolyte used for electroplating an article with silver
The particles present in a liquid such as kerosene, that is a non-electrolyte
From the list of terms given, choose the most appropriate term to match
An organic compound containing --COOH functional group
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature.
Action of cold and dilute Nitric acid on Copper
Reaction of Ammonia with heated copper oxide
Preparation of methane from iodomethane
Action of concentrated sulphuric acid on Sulphur
Laboratory preparation of ammonia from ammonium chloride
Addition of ethyl alcohol to acetic acid
Action of dilute Hydrochloric acid on iron (II) sulphide
Action of Sodium hydroxide solution on ferrous sulphate solution
Burning of ammonia in air
Action of concentrated Sulphuric acid on hydrated copper sulphate
Draw the structural formula
Calculate the number of gram atoms in 4.6 grams of sodium
Calculate the percentage of water of crystallization
A compound of X and Y has the empirical formula XY2
Match the atomic number 2, 4, 8, 15, and 19
He, Ar, Ne (Increasing order of the number of electron shells)
Na, Li, K (Increasing Ionisation Energy)