A. As nitrometer
B. To remove air bubbles from molten metal
C. To produce alloy
D. As insulator
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. - Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?
A. one / seventeen
B. sixteen / seventeen
C. one / three
D. two / three - A polymer in which three different monomers combine called_____________?
A. Copolymer
B. Terpolymer
C. Homopolymer
D. Biopolymer - Hexamethylene diamine and adipic acid combine to form _____________?
A. Natural rubber
B. Synthetic rubber
C. nylon 6-6
D. PolystyreneSubmitted by: Aneela shabbir
- Aluminium oxide is_________________?
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxide
D. It does not exists - The process of aluminium extraction is called__________________?
A. Hall process
B. Thermite process
C. Haber process
D. Contact process - One of the outstanding features of boron is its ability to form__________________?
A. Molecular addition compounds
B. Molecular crystals
C. Semiconductors
D. Ionic compounds - The metal which is used in thermite process because of its activity is____________________?
A. iron
B. copper
C. aluminium
D. zinc - If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
A. C2H2O4
B. CH2
C. CH2O
D. CHO2Submitted by: Raza Samejo
