Answer:
a. tiny particles that make up all matter
Answer:
False
Explanation:
Some animals are cold blooded
Answer:
<h2>0.4 M</h2>
Explanation:
The molarity of the NaOH solution can be found by using the formula

c is the molarity
n is the number of moles
v is the volume in L
From the question we have

We have the final answer as
<h3>0.4 M</h3>
Hope this helps you
Answer:
magnetite
Explanation:
proportion of iron in haematite = 3.5/5 x 100% = 70%
proportion of iron in magnetite = 7.2/10 x 100% = 72%