The product formed when ethene gas reacts with water in the presence of sulphuric acid is ………. (ethanol/ethanol/ethanoic acid).
Ethanol
Choose from the following list of substance, as to what matches the description from given below:
[Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum].
A black powdery substance used for the reduction of zinc oxide during its extraction.
Choose from the following list of substance, as to what matches the description from given below:
[Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum].
The substance is an alloy of zinc, copper and tin.
Choose from the following list of substances, as to what matches the description from given below:
[acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, plantinum]
A catalyst used n the manufacture of nitric acid by Ostwald's process.
Choose from the following list of substance, as to what matches the description from given below:
[Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, plantium]
An aqueous salt solution used for testing sulphate radical.
Choose from the following list of substances, as to what matches the description from given below:
[acetylene gas, aqua fortis, coke brass, barium chloride, bronze, plantinum]
A gaseous hydrocarbon commonly used for welding purposes.
Choose the correct answer from the options given below:
In the periodic table alkali, metals are placed in the group..........
1
11
17
17
Choose the correct answer from the options given below:
Which of the following properties do not match with elements of the halogen family?
They have seven electrons in their valence shell.
They are highly reactive chemically.
They are metallic in nature.
They are metallic in nature.
Choose the correct answer from the options given below:
The hydroxide of this metal is soluble is sodium hydroxide solution.
Magnesium
Lead
Silver
Silver
