4. In a chemical equation the products anc on the left vide of the aow and the a

Question

4. In a chemical equation the products anc on the left vide of the aow and the a. tue b. false 35. What is the physicall quantity expressed by the following a volume measurement: 10 d. time e length 36. What is the term for a process where a subnotance undergoes a change in chemical commposition a. chemical change b. elemental change c. composition change d. physical change 37. What is the term for the direct change of state from solid to gas a. condensation b. deposition c. sublimation d. vaporization 38. Which of the following is evidence for a physical change? a. burning b. evaporating e. fizzing d. rusting 39. Which of the following is not experimental evidence for a chemical change? a. grinding a crystal to a powder b. forming an insoluble substance in solution e. undergoing a permanent color change d. releasing heat energy e releasing gas bubbles 40. What is the general term for the mixture made when a substance dissolves in water? a. acid salt b. aqucous salt c. aqueous solution d. salt solution

Explanation / Answer

34)

chemical reaction is written as:

reactant —> product

Answer: false

35)

g is unit of mass

So, this is mass

Answer: b

36)

These are called chemical change or chemical reaction

Answer: a

In physical change there is no change in composition

other 2 terms are not a valid term

37)

solid to gas is sublimation

Answer: c

only 4 parts at a time

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