Hey there! Sign in to join this conversationNew here? Join for free
    • Thread Starter
    Offline

    2
    ReputationRep:
    Name:  Screenshot_2016-06-05-02-07-16-1.png
Views: 88
Size:  23.7 KB

    answer d
    please if someone could explain why mant thanks.
    Offline

    19
    ReputationRep:
    Why do you think it's D?
    Offline

    15
    ReputationRep:
    Nothing to do the AS spec I'm on but I would guess the one that uses up oxygen the fastest or in this case decomposes fastest is the best at putting out fire.
    Offline

    0
    ReputationRep:
    Sorry this is late, it is to do with the thermal stability of the carbonates magnesium carbonate less stable so will decompose to mgo and and co2 so will be most effective .
 
 
 
Poll
Who is your favourite TV detective?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.