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Class 12th Exam Chemistry VVI Objective Question in English Co-Ordination Chapter 9. COORDINATION COMPOUNDS 1. Coordination number of Cr in Na3[Cr(C2O4)3] is : (A) 3 (B) 4 (C) 5 (D) 6 Answer :- (A) 2. The oxidation number of Ni in [Ni(CO)4] is (A) O (B) 2 (C) 3 (D) 4 Answer :- (A) 3. […]
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 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) […]
Class 12th Physics Most VVI Objective Alternating Current Chapter Alternating Current 1. In an LCR series ac circuit, the voltage across each of the components L, C and R is 50 Volt. The voltage across LC combination is : (A) 50 Volt (B) 25 Volt (C) 100 Volt (D) 0 Volt Answer:- D 2. The phase difference […]