Question

drag the tiles to the correct boxes to complete the pairs. identify the types of chemical reactions occurring in the chemical equations. respiration photosynthesis combustion reaction of fossil fuels methane + oxygen → water + carbon dioxide + heat glucose + oxygen → carbon dioxide + water + energy water + carbon dioxide + sunlight → oxygen + glucose

Explanation:

1. The reaction of methane with oxygen to produce water, carbon - dioxide and heat is a combustion reaction of fossil fuels as methane is a fossil fuel and it burns in oxygen releasing heat.
2. The reaction of glucose with oxygen to produce carbon - dioxide, water and energy is respiration. In living organisms, glucose is oxidized in the presence of oxygen to release energy.
3. The reaction of water and carbon - dioxide in the presence of sunlight to produce oxygen and glucose is photosynthesis. Plants use sunlight, water and carbon - dioxide to produce glucose and oxygen.

Answer:

1. combustion reaction of fossil fuels
2. respiration
3. photosynthesis