4g each of aluminium foil and aluminium powder were intro...
4g each of aluminium foil and aluminium powder were introduced respectively into flasks P and Q.
Flask P was treated with warm bench sodium hydroxide and all the aluminium dissolved in one hour. Flask Q was treated with cold sodium hydroxide and all the aluminium dissolved in 10 minutes. What was responsible for Q reacting faster than P?
There were more aluminium atoms in Q than P
The heat given off in retarded the reaction
Q generated more pressure than P during the reaction
P generated more pressure than Q
Q has a greater surface area for the reaction than P
Correct answer is E
No explanation has been provided for this answer.
Chemical reactions occurs when the colliding reactants have energy that is ...
The oxidation state(s) of nitrogen in ammonium nitrite is/are ...
Deliquescent substances are also? ...
What is the chemical symbol for Oganesson? ...
Which of the following statements is INCORRECT?...
Which of the following oxides can be reduced by hydrogen? ...