Name a gaseous hydrocarbon commonly used for welding purposes.

Choose from the following list of substances, as to what matches the description given below : [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum] A gaseous hydrocarbon commonly used for welding purposes An aqueous salt solution used for testing sulphate radical. A black, powdery substance used for the reduction of zinc oxide during its extraction. A catalyst used in the manufacture of nitric acid by Ostwald's process. The substance is an alloy of zinc, copper and tin.

From the following organic compounds given below, choose one compound in each case which relates to the description [i] to [iv] : [Ethyne, ethanol, acetic acid, ethene, methanel (i) An unsaturated hydrocarbon used for welding purposes. (ii) An organic compound whose functional group is carboxyl. (iii) A hydrocarbon which on catalytic hydrogenation gives a saturated hydrocarbon. (iv) An organic compound used as a thermometric liquid.

Identify the term or substance based on the descriptions given below: Hydrocarbon containing a triple bond used for welding purposes.

Name a stain which is commonly used for staining chromosomes.

Bud grafting is commonly used in

The most commonly used reducing agent is

The most commonly used reducing agent is

Argon is used in arc welding because

List two commonly used vectors.

Identify the gas in the following: This gas is used for welding purpose.