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Standard VII
Chemistry
Periodic and Non-Periodic Changes
Which of the ...
Question
Which of the following are the examples of long-term periodic plan?
A
A and C
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B
A and D
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C
B and C
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D
B and D
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Solution
The correct option is
A
A and C
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Similar questions
Q.
If
¯
¯¯¯¯¯¯¯
¯
D
A
=
¯
¯
¯
a
;
¯
¯¯¯¯¯¯
¯
A
B
=
¯
¯
b
and
¯
¯¯¯¯¯¯
¯
C
B
=
k
¯
¯
¯
a
where
k
>
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,
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are the midpoints of
D
B
and
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C
respectively such that
|
¯
¯
¯
a
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=
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|
¯
¯¯¯¯¯¯¯
¯
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Y
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Q.
Which of the following is an example of long-term periodic plan?
Q.
OD bisects
∠
A
O
B
. DA and DB are perpendiculars from D on the ray OA and OB. Show that DA
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Q.
In the given figure, we have
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C
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D
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Q.
In each of the following, decide whether the relation of betweenness exists among the points A, B and D. Name the point which lies between the other two.
(i) d(A,B) = 5, d(B,D) = 8, d(A,D) = 11
(ii) d(A,B) = 11, d(B,D) = 6, d(A,D) = 5
(iii) d(A,B) = 2, d(B,D) 15, d(A,D) = 17
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