List of top Questions asked in Bihar Board Class XII

What are chiral and achiral compounds?
What are essential amino acids?
"(\(O_3\))behaves as a strong oxidising agent." Explain.
What is slag?
What are macromolecules?
Write Faraday’s 2nd law of Electrolysis.
Write the IUPAC name of complex compound \( K_3[Cr(C_2O_4)_3] \).
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:
Methyl alcohol on oxidation with acidified \( \text{K}_2\text{Cr}_2\text{O}_7 \) gives:
Diethyl ether finds its use in medicine as:
The general formula of carbonyl compound is:
At room temperature, formaldehyde is
Write the names of the catalysts used in contact process and Ostwald process.
Write the formula of Tetra-aminoaquachlorido-cobalt (III) chloride.
How many kinds of Bravais lattice are possible in a crystal?
The percentage of free space in a body-centred cubic unit cell is
In electrolysis, oxidation takes place at:
The quantity of electricity required to liberate 32 g of oxygen is:
Rust is:
Chloroform is:
General group(s) for alcohols is/are:
The product of addition polymerization is
Which one of the following is a thermosetting plastic?
The medicines which lower fever are called