CHEMISTRY K CET STUDY MATERIAL
ADARSHA GOVERNMENT PRE – UNIVERSITY COLLEGE
MAREHALLI ,
MALAVALLI TQ MANDYA DIS – 571430
K - CET STUDY
MATERIAL (DPP) CHEMISTRY -1
1.What are
the basic constituents of matter ?
a. Atoms and molecules b. Atoms and moles c. Molecules and ions d. Nuclei and ions
2.Which
type of drug is effective in cancer therapy ?
a. Cisplatin b. Taxol c. Azidothyamin d. both (a) and (b)
3.Which of
the following is responsible for depletion of ozone layer ?
a. H2SO4 b. CFCs c. NH3 d. Cl2
4.Which of
the following is not a green house gas ?
a. O3 b. CH4 c. NH3 d. CO2
5.Which
among the following is the oldest ayurvedic epic of India ?
a. Bhasmas b. Arthashastra c. Charaka Samhita d. Paramanu
6.The
substances whose compositions are not uniform and different components are
mixed are called .
a. Homogenous mixtures b. Pure substances c. Heterogenous mixtures d. element
7.What are
pure substances classified as ?
a. Elements and atoms b. Molecules and compounds c. Elements and
compounds
8.Iodized
common salt is
a. Homogenous mixture b. heterogenous mixture c. pure substance d.oxidized sub
9.Which of
the following is a homogenous mixture ?
a. Diesel b. Milk c. Wood d. Paint
10. Which
of the following is the SI unit of Luminous Intensity .
a. Ampere b. Candela c. Faraday d. Volt
11. Zepto
is the prefix for
a. 10-21 b. 10-19 c. 1020 d. 109
12. The
temperature at which Fahrenheit and celcius
scales show same reading is .
a. 50 b. -40 c. 10 d. 30 erg
13. Number
of significant figures in 0.0043 are
a. 4 b. 2 c. 5 d. 3
14. 1
J = _____ erg .
a. 105 b. 107 c. 109 d. 10
15. Who
proposed law of gases of volume ?
a. Gay lussac’s law b. Avogadro c.Brezelius d. Hund
16.If the
abundance of isotopes of iron Fe54 Fe56 Fe57 are 5% , 90%
and 5% respectively . The atomic mass of Fe can be
a. 55.85 b. 55.95 c. 55.75 d. 56.05
17.Light
travels with a speed of 3X108 m\s . distance travelled by light in 1
Femto sec is .
a. 0.03 mm b. 0.003 mm c. 3 mm d. 0.0003
18. The
molecular mass of glucose is
a. 160.8 u b. 180.162u c. 216.4 u d. 134.821u
19. Hydrogen
and oxygen combine to form HO and HO containing 5.93% and 11.2% hydrogen
respectively , the data illustrates :
a. Law of conservation of mass b. law of constant proportion
b. c. law of multiple proportion d.Gay lussac’s law
20. If law
of conservation of mass was to hold true , then 20.8g of BaCl2 on
reaction with 9.8g of H2SO4
will produce 7.3g of HCl and BaSO4 .
a. 11.65 g b. 23.3 g c. 25.5 g d. 30.6 g
21. The
number of significant figures in value of
a. 1 b. 2 c.
3 d.
22. Boron
has two isotopes B10 and
B11 whose relative abundance are 20% and 80 % respectively .
Atomic weight of Boron is
a. 10 b. 11 c. 10.5 d. 10.8
23. A pure compound contains 2.4g of C 1.2 X 1023 atoms H , 0.2 moles of oxygen atoms . its empirical formula is . (K CET – 2021)
C2HO B. C2H2O2 C. CH2O D . CHO
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