A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/min
A. a solvent
B. an anti freezing agent
C. a substitute for petrol
D. for denaturing of ethyl alcohol
A. pressure
B. volume
C. moles
D. density
A. 5
B. 4
C. 3
D. 2
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