An eruption pollution an environment with gas suspected t...
An eruption pollution an environment with gas suspected to be H<sub>2</sub>S, a poisonous gas. A residue team should spray the environment with?
water
moist SO2
acidified KMnO4 and water
water, acidified KMnO4 and oxygen
Correct answer is B
No explanation has been provided for this answer.
If 20 cm\(^3\) of sodium hydroxide was neutralized by 20 cm\(^3\) of 0.01 mol dm3 tetraoxosulph...
Which of the following will displace copper from a solution of copper (ll) salt? ...
The energy change (ΔH) for the reaction CO(g) + (1)/(2)O2(g) → is? (ΔHi(CO) = -110.4 kJ mol-)...
On exposure to hydrogen sulphide, moist lead (II) ethanoate paper turns ...
Which of the following physical properties decreases down a group in the periodic table? ...