4 Acids And Alkalis Flashcards
1
Q
What’s the ph for an acid and an alkaline
A
> 7=acid
<7=alkaline
2
Q
What’s the ph of a neutral substance
A
7
3
Q
How do you measure the ph of a solution using a wide range indicator such as a universal indicator/ph probe
A
The colours of universal indicators are at different phs
Red orange green blue purple
4
Q
What makes a solution acidic and alkaline
A
Acidic
Hydrogen irons H+
Alkaline
Hydroxide irons OH-
5
Q
In a neutralisation reaction between an acid and alkaline what do they produce
A
Water
6
Q
What is alkali
A
A base that is soluable in water
