- (A) 5
- (B) 4
- (C) 3
- (D) 2
Chemistry Mcqs
- (A) 0.5
- (B) 1
- (C) 1.5
- (D) 2
- (A) neutrons
- (B) protons and electrons
- (C) protons
- (D) protons and neutrons
- (A) Combustion method
- (B) Dumas method
- (C) Kjeldahls method
- (D) All of the above methods are for different purposes
- (A) properties which depend upon mass
- (B) arrangement of electrons in orbitals
- (C) chemical properties
- (D) all of the above
- (A) Empirical formula
- (B) Molecular mass
- (C) Molecular formula
- (D) Formula mass
- (A) identification of elements
- (B) estimation of amounts of elements
- (C) molar ration of elements
- (D) molar volume of elements
- (A) they possess different mass number
- (B) they possess different physical properties
- (C) they possess same chemical properties
- (D) they possess different position in the periodic table
- (A) 1.008 mg
- (B) 0.184 mg
- (C) 0.054 mg
- (D) 5.4 mg
- (A) 0.33 nm
- (B) 0.34 nm
- (C) 0.35 nm
- (D) 0.36 nm
