A. Hall process
B. Thermite process
C. Haber process
D. Contact process
Related Mcqs:
- moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?
A. 0.18 mole
B. 0.27 mole
C. 0.24 mole
D. 0.09 mole - Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?
A. aluminium can be recycled
B. aluminium has very low density
C. aluminium is the most abundant metal in the earth crust
D. aluminium is resistant to corrosion by organic acids. - Parke’s process is used in the extraction of________?
A. Iron
B. Sodium
C. Silver
D. ZincSubmitted by: Muhammad Ali Kunbhar
- Aluminium oxide is_________________?
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxide
D. It does not exists - Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?
A. As nitrometer
B. To remove air bubbles from molten metal
C. To produce alloy
D. As insulator - If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?
A. Heat of transition
B. Heat of fusion
C. Enthalpy change
D. All of above - Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
A. activation
B. enameling
C. corrosion
D. coating - In solvent extraction ether is used to separate products of organic synthesis from________________?
A. water
B. iodine
C. hydrochloric acid
D. gases - When – COOH is attached directly to the benzene ring the acid is called__________________?
A. Aliphatic
B. Alicyclic
C. Carboxylic
D. Aromatic - The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called__________________?
A. Mother liquor
B. Filterate
C. Extract
D. Molasses
