Question

Important question for CBSE board

Answer 1

I will say in short.

• Decomposition of lead nitrate.
• Displacement reaction.
• Oxidation and reduction.
• Rancidity
• Amphoteric oxides.
• pH
• All salts- preparation and uses.
• Plaster of Paris.
• Extraction of ores.
• Properties of ionic compounds (Very imp.)
• Esterification process.
• Soap formation.
• Mendeleev periodic table.
• Modern periodic table.
• Photosynthesis equation and process.
• Aerobic and anaerobic respiration.
• How is urine produced?
• Human brain.
• Coordination in plants.
• Budding in yeast and hydra.
• Flower diagram.
• STD
• Rules of inheritance-Mendel
• Fossils.
• Mirror formula
• Generator.
• Motor.

Hopes it helps!!