NEED ANSWER ASAP PLEASE!!!!
When starting a car some energy is used to increase the fuel’s temperature during ignition. This energy causing combustion is
1). Absorbed Energy
2). Chemical Energy
3). Activation Energy
4). Latent Energy
In order for a combustion reaction to occur, like the burning of fossil fuels, what element is required?
1). Sulfur
2). Hydrogen
3). Oxygen
4). Helium
Which of the following is a chemical reaction?
1). crushing pepper
2). rotting vegetables
3). chopping vegetables
4). dew formation
If a synthesis (also called combination) reaction is the formation of 1 product, what is the opposite reaction type?
1). combustion
2). replacement
3). neutralization
4). decomposition
