List of top Chemistry Questions asked in Bihar Board Class XII

"(\(O_3\))behaves as a strong oxidising agent." Explain.
Why is ethyl alcohol not dried by anhydrous CaCl2?
The number of isomeric alcohols of molecular formula \( \text{C}_4\text{H}_{10}\text{O} \) is:
Write the names of the catalysts used in contact process and Ostwald process.
Diethyl ether finds its use in medicine as:
The general formula of carbonyl compound is:
At room temperature, formaldehyde is
Write the formula of Tetra-aminoaquachlorido-cobalt (III) chloride.
Methyl alcohol on oxidation with acidified \( \text{K}_2\text{Cr}_2\text{O}_7 \) gives:
In electrolysis, oxidation takes place at:
General group(s) for alcohols is/are:
Chloroform is:
The percentage of free space in a body-centred cubic unit cell is
The quantity of electricity required to liberate 32 g of oxygen is:
Rust is:
How many kinds of Bravais lattice are possible in a crystal?
Which one of the following is a thermosetting plastic?
Which of the following is not a crystalline solid?
The product of addition polymerization is
The number of atoms present in body-centred cubic unit cell is
The medicines which lower fever are called
Alkali salt of palmitic acid is known as
Which of the following is a disaccharide?
The temperature coefficient of most of the reactions lies between
The purine base present in RNA is