Answer the following 3 question you will get 25 points if you answer them all PLEASE HELP MEEE 1) When methane burns in oxygen, carbon dioxide and water is made
Which is a reactant?
a) Oxygen b) Carbon dioxide c) Water

2) Copper oxide and carbon dioxide are made when copper carbonate is heated strongly. Which is a product??
a) heat b) copper oxide c) carbon dioxide

3) What name is given to the force that holds atoms in a compound?

a) gravity b) chemical bond
c) electrostatic attraction

gukijiinvfyionko

Atoms are rearranged during chemical reactions, and are not lost or gained. Chemical reactions can be represented using equations. Catalysts speed up reactions without being used up.

Part ofChemistryChemical reactions and tests

Explanation:

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

1.solid

2.carbon dioxide

3.helium