1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
$$\beta$$ - particle is emitted in radioactivity by
A
conversion of proton to neutron
B
from outermost orbit
C
conversion of neutron to proton
D
$$\beta$$ -particle is not emitted
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The integrated rate equation is Rt = log C0 - log Ct . The straight line graph is obtained by plotting
A
time vs log Ct
B
$${1 \over {time}}$$ vs Ct
C
time vs Ct
D
$${1 \over {time}}$$ vs $${1 \over {{C_t}}}$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is true?
A
HF is less polar than HBr
B
absolutely pure water does not contain any ions
C
chemical bond formation takes place when forces of attraction overcome the forces of repulsion
D
in covalency transference of electron takes place
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Oxidation number of Cl in CaOCl2 (bleaching powder) is :
A
zero, since it contains Cl2
B
-1, since it contains Cl-
C
+1, since it contains ClO-
D
+1 and -1 since it contains ClO- and Cl-
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