List of top Chemistry Questions asked in Bihar Board XII

Which of the following is the molecular formula of Orthophosphoric acid?
The structure of XeF₄ is
The maximum oxidation state of chromium is
Which of the following halogens does not exhibit a positive oxidation state?
The structure of NaCl crystal is
Which of the following is an amorphous solid ?
The osmotic pressure of a solution is represented by which of the following equations?
Which of the following modes of expressing concentration of solution does not depend upon temperature ?
Which of the following show positive deviation from Raoult's law?
Which of the following types of crystal is diamond?
Which of the following is the most basic?
Methylamine on heating with chloroform and alcoholic KOH gives
The helical structure of protein is stabilized by which of the following?
Which of the following is a ketohexose?
Acetamide is
With which of the following does acetic acid not form acyl chloride?
Milk is
Which of the following is a lyophilic colloid?
According to Freundlich adsorption isotherm
Which of the following is not a first order reaction?
What is soap? How does it act in cleansing clothes?
The electronic configuration of Cu2+ (Z = 29) is:
Identify one anionic radical in the given inorganic salt ``M$_3$'' by performing dry and wet tests.
Identify one cationic radical in the given inorganic salt ``M$_3$'' by performing dry and wet tests.
Prepare soap in the laboratory and submit it for inspection.