3. ACID, BASES AND SALTS Flashcards
1
Q
Metal oxides are ________ in
nature
A
Basic
2
Q
Blue litmus paper turns ___ on
contact with an acidic solution
A
Red
3
Q
Which gas is produced when
metals react with Dilute Acids
A
Hydrogen
4
Q
At what pH value tooth starts to
decay?
A
5.5
5
Q
A reaction between an acid and a
base is known as
A
Neutralization
6
Q
Salinity is the amount of salt in
grams present in ____
A
1000 grams of water
7
Q
Within what pH range does the
human body work
A
7 to 7.8
8
Q
What is the pH of rainwater during acid rain?
A
5.6
