Which one of the following is not a combination reaction?

A. HNO3 (aq) + KOH (aq) → H2O (l) + KNO3 (aq)

B. 2CaO + 3CO2 → 2CaCO3

C. Na2O + CO2 → Na2CO3

D. 4Fe + 3O2 → 2Fe2O3

Describe carbon in your own words

Why are certain toads in the amphibian family call spadefoot toad?

Why do I need a flu shot every year, while many other vaccinations last years or even a lifetime?

Galaxies moving away from us will emit light that is redder than we would otherwise expect

The unequal sharing of electrons results in what

Which process copies from DNA onto mRNA

State two proteins in blood which are responsible for determine the blood group of a person

The statement, "Energy can neither be created nor destroyed, but can change from one form to another," is the first law of thermodynamics the second law of thermodynamics the third law of thermodynamics scientifically unproven

How do plants living in deep shade manage to make their food

What can cells can be defined as