River contaminated by alkali waste will have a pH of abou...
River contaminated by alkali waste will have a pH of about.
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Correct answer is E
No explanation has been provided for this answer.
A solid substance with high melting and boiling points is likely to be a/an ...
6AgNO4(aq) + PH3(g) + 3H2O(l) → 6Ag(s) + H3PO3(g) + 6HNO3(aq) In the above reaction, the reduc...
Chlorine is is used in water treatment as ...
An electron can be added to a halogen atom to form a halide ion with? ...
The sulphide that is commonly used in coating electric fluorescent tubes is? ...
Which of the following gases contains the highest number of atoms at s.t.p? ...