Chemistry Q3,Q4
By admin • Apr 11th, 2008 • Category: QuestionsTwo charges are placed at certain distance apart in air. When a metallic sheet is placed between them, the electrostatic force between them will
(a)
decrease
(b)
increase
(c)
remain unchanged
(d)
become zero
Chlorine acts as a bleaching agent only in presence of
(a)
dry air
(b)
moisture
(c)
sunlight
(d)
pure oxygen
aa
