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Byju's Answer
Standard XII
Biology
What Is Lactation?
MeCl / anhyd....
Question
Which of the following is/are true?
A
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B
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C
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D
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Solution
The correct options are
C
D
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0
Similar questions
Q.
Consider the following statements:
P:
Good mobile phones are not cheap
Q:
Cheap mobile phones are not good
L:
P implies Q
M:
Q implies P
N:
P is equivalent to Q
Which one of the following about L,M, and N is
CORRECT
?
Q.
The major product of the following reaction is :
Phenol
+
c
o
n
c
.
H
N
O
3
+
c
o
n
c
.
H
2
S
O
4
⟶
P
Q.
Let p, q , r and s be four primitive statements . Consider the following arguments:
P
:
[
(
⇁
p
∨
q
)
∧
(
r
→
s
)
∧
(
p
∨
r
)
]
→
(
⇁
s
→
q
)
Q
:
[
(
⇁
p
∧
q
)
∧
[
q
→
(
p
→
r
)
]
]
→
⇁
r
R
:
[
[
(
q
∧
r
)
→
p
]
∧
(
⇁
q
∨
p
)
]
→
r
S
:
[
p
∧
(
p
→
r
)
∧
(
q
∨
⇁
r
)
]
→
q
Which of the above arguments are valid?
Q.
Aniline reacts with mixed acid(conc.
H
N
O
3
and conc.
H
2
S
O
4
at 288K to give P (51%),Q (47%) and R(2%) . The major product(s) of the following reaction sequence is (are)
Q.
p
∝
1
q
Which of the following statements is correct?
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