Pre-Assessment_Q4Module 5
Quiz by Salvacion Adona
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- Q1
Which greatly affects chemical reaction in processing milk?
Temperature
Concentration of the reactants
Surface area of the reactant
Catalyst
30s - Q2
The higher the temperature is, the faster is the rate of reaction, how is this true?
less molecule collides with other molecules.
more molecule collides with other molecules.
molecules become larger.
molecules become smaller in size.
30s - Q3
Fresh fish and meat that are not stored in a refrigerator show signs of spoilage in less than a day. What has caused this spoilage?
presence of microorganisms
temperature changes
all of the above
oxygen in air
30s - Q4
Why it is better to use a chicken broth cube cut into 4 equal parts rather than a whole cube in cooking?
The whole cube makes the reaction in cooking faster.
The whole cube provides flavoring in cooking at a faster rate.
The chicken broth cube cut into 4 equal parts could react faster in giving flavoring in cooking.
The chicken broth cube cut into 4 equal parts slows down the cooking process.
30s - Q5
When will chemical reactions come to a stop?
Sufficient activation energy is present.
More than 3 reactants collide frequently.
Not enough energy for the reaction.
Catalyst was consumed already.
30s