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WorksheetsPractice Test on Basic Chemistry
Total questions: 20
Worksheet time: 10mins
Molecules which have permanent dipole are known as
polar
dipolar
non polar
tripolar
To form anion, non-metal atom.......
looses electrons
gain electrons
looses protons
gain protons
Unit cell is smallest building unit of ........
Crystal lattice
Liquids
gases
none of the above
Which of the following is an amorphous solid?
Diamond
glass
sodium chloride
HgS
The co-ordination number of BCCstructure is
4
6
8
12
When catalyst and reactants are in the same phase then it is called.....
homogeneous catalysis
heterogeneous catalysis
autocatalysis
negative catalysis
Covalent compounds are
good conductors of electricity
non conductors of electricity
poor conductors of electricity
none of above
Electrovalent bond is another name of.......
Metallic bond
Covalent bond
Ionic bond
Co-ordinate bond
Number of electron pair shared in N2 molecule is _____
One
Two
Three
Four
In the reaction, X shows_______
In manufacturing of Ammonia by Haber's process role of Molybdenum is
a. Catalytic Promoter
b. Catalytic Inhibitor
c. Catalyst
d. None
In manufacture of vanaspati ghee from hydrogenation of oil, the catalyst used is
Ni
Pt
Cu
Fe
When product acts as a catalyst then it is called as
a. homo catalyst
b. positive catalyst
c. negative catalyst
d. auto catalyst
The contact process of manufacturing of sulphuric acid using Pt as catalyst is example of.......
a. Homogeneous catalysis
b. Heterogeneous catalysis
c. Auto catalysis
d. hypergeneous catalysis
In the manufacturing of ethyl alcohol by fermentation of sugar ...........is used as catalyst
a. Disastase
b. Maltase
c. Zymase
d. Starch
Conduction of electricity in metallic bonding is due to presence of .........
a. protons
b. lattice
c. delocalised electrons
d. nucleus
When last orbit of an element is removed, remainder is called.....
a. Kernel
b. Lattice
c. Plane
d. Orbital
Corrosion is example of ..........
Oxidation
Reduction
Electrolysis
Erosion
Oxidation-reduction reaction involve transfer of ......
a. protons
b.neutrons
c. electrons
d. None
Identify the compound formed by mutual sharing of electrons
a. Electrovalent
b. Ionic
c. Coordinate
d. Covalent
