AP Polycet (Polytechnic) 2025 Previous Question Paper with Answers And Model Papers With Complete Analysis

A) isotopes

B) homologous compounds

C) functional groups

D) isomers

A) Homologous series

B) Isomeric series

C) Saturated series

D) Ionic series

A) -CHO

B) -COOH

C) -C=O

D) -OH

A) Alkaline potassium permanganate

B) Sodium hydroxide

C) Dilute hydrochloric acid

D) Sodium ethoxide

A) Magnesium chloride

B) Magnesium oxide

C) Magnesium carbonate

D) Magnesium hydroxide

A) Energy can be created in a reaction

B) The number of reactants must always equal the number of products

C) Mass and energy are interchangeable during reactions

D) Mass can neither be created nor destroyed in a chemical reaction

A) To provide information about the physical form of substances

B) To show the mass of reactants and products

C) To balance the equation more accurately

D) To indicate the catalyst used in the reaction

A) Calcium hydroxide

B) Calcium carbonate

C) Calcium oxide

D) Calcium chloride

A) Copper gets deposited on the nail

B) Iron reacts with oxygen

C) The nail rusts

D) The nail undergoes thermal decomposition

A) Exposure to sunlight

B) Reaction with oxygen and moisture

C) Contact with acids

D) Both Reaction with oxygen and moistureand Contact with acids