please help in queaton 67,68,69
67. If a few drops of a concentrated acid accidentally spills over the land of a student, what should be done?
(a) Wash the hand with saline solution.
(b) Wash the hand immediately with plenty of water and apply a paste of sodium hydrogencarbonate.
(c) After washing with plenty of water apply solution of sodium hydroxide on the hand
(d) Neutralise the acid with a strong alkali
Dear student ,
(67) The correct option is option (b)
Reason : on adding water acid will be diluted
NaHCO3 + HCl NaCl + H2O + CO2
Please ask next question in another thread
Regards
(67) The correct option is option (b)
Reason : on adding water acid will be diluted
NaHCO3 + HCl NaCl + H2O + CO2
Please ask next question in another thread
Regards