Category: Chemistry Basic Concept

A. Teflon
B. asbestos
C. saran
D. acrylic

A. Pd
B. Ni
C. Sn
D. All of the above

A. NaCl
B. H2O
C. CCI4
D. It can be applied to all mentioned above

A. A
B. Ag
C. Both
D. Neither

A. whole amount of reactant does not change into product
B. chemical equilibrium is established
C. a catalyst changes the direction of reaction
D. rate of forward reaction decreases as reaction proceeds

A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none

A. Combustion method
B. Dumas method
C. Kjeldahls method
D. All of the above methods are for different purposes

A. Kc is constant at given temperature
B. Kc is unaffected by change in concentration of reactants or products
C. Kc indicates the extent of reaction but not about the rate of reaction.
D. All of the above

A. fats
B. resins
C. iodine
D. all the above

A. Enzymes
B. Nitrogenous bases
C. Carbohydrates
D. Lipids