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Class 12th Exam Chemistry VVI Objective Question p Block Elements Chapter 7. ‘p’ BLOCK ELEMENTS 1. Other than oxygen in Group 16 of the periodic table, the element found is : (A) Sulphur (B) Sodium (C) Iron (D) Nitrogen Answer :- (A) 2. In the reaction N2 + 3H2 ⇔ 2NH3 + Q cals, if temperature increases, […]
BSEB 12th Chemistry Most Important Objective MCQ Question Chapter Wise 6. GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS 1. Which one of the following is not an ore of zinc ? (A) Zinc blende (B) Calamine (C) Zincite (D) Bauxite Answer :- (D) 2. Which of the following metals does not liberate hydrogen gas on reactions […]
BSEB 12th Chemistry Important Objective Question on Latest Pattern Surface Chemistry Chapter 5. SURFACE CHEMISTRY 1. Tyndall effect is not found is : (A) sugar solution (B) colloidal solution of gold (C) suspension (D) emulsion Answer :- (A) 2. Chemical adsorption reaction is : (A) reversible (B) irreversible (C) polymerisation (D) none of these Answer […]
12th Board Chemistry Most VVI Objective Question Chemical Kinetics Chapter 4. CHEMICAL KINETICS 1. In any reaction, catalyst: (A) retards the rate of reaction (B) increases the rate of reaction (C) both increases and decreases the rate of reaction (D) none of these Answer :- (C) 2. In chemical equation H2(g) + I2 (g) ⇔ […]
12th Chemistry Electro Chemistry Most VVI Objective Question Chapter Wise 3. ELECTRO CHEMISTRY 1. In galvanic cell, anode is : (A) Negative electrode (B) Positive electrode (C) Neutral electrode (D) None of these Answer :- (A) 2. The cell which involves the conversion of chemical energy into electrical energy is called : (A) Electrolytic cell (B) […]
BSEB 12th Chemistry VVI Objective Question Solutions Chapter 2. SOLUTIONS 1. Which of the following equations represents osmotic pressure ? (A) P = CRT (B) P= CT / R (C) P= RC / T (D) P = RT / C Answer :- (D) 2. By osmosis Semipermeable membrane (S.P.M.) allows to pass (A) solute molecules (B) […]
Class 12th Exam 2021 Chemistry Most VVI Objective Question Solid State Chapter 1. SOLID STATE 1. Which of the following is a crystalline solid ? (A) Diamond (B) Glass (C) Rubber (D) All of these Answer :- (A) 2. Which of the following oxides shows ferro-magnetism ? (A) CrO2 (B) MnO2 (C) Fe3O4 (D) V2O5 […]