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Standard VII
Chemistry
Sub-Atomic Particles
Minerals like...
Question
Minerals like Calcium and Potasium are held over the surface of clay particles because these are
A
Positively charged
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B
Negatively charged
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C
Neutral
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D
Both (a) & (b)
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Solution
The correct option is
A
Positively charged
Ca, Mg & K are positively charged
C
a
+
2
,
M
g
+
2
&
K
+
.
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