Chemical Reaction
Quiz by Mr. Carousso
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- Q 1/14Score 0How many N atoms are there in this reaction? N2 + 3 H2 --> 2 NH3293 N atoms6 atoms2 N atoms1 N atom
14 questions
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- Q1How many N atoms are there in this reaction? N2 + 3 H2 --> 2 NH33 N atoms6 atoms2 N atoms1 N atom30s
- Q2How many H atoms are there in this reaction? N2 + 3 H2 --> 2 NH36 H atoms3 H atoms1 H atom2 H atoms60s
- Q3During a chemical reaction atoms ___________________.ArrangeDisappearRearrangeAppear60s
- Q4If the reactants equals 300.25 g the products should weigh _______________.equally at 300.25 gAll of the abovemore than 300.25 gless than 300.25 g60s
- Q5During a chemical reaction the mass of the products should ________________ the mass of the reactants.less thanmore thanall of the aboveequal60s
- Q6During an exothermic reaction heat is _________________.stays constantreleasedabsorbedall of the above60s
- Q7During an endothermic reaction heat is _______________________.stays constantreleasedAbsorbedabove all60s
- Q8What happens to temperature during an exothermic reaction?IncreasesStays constantDecreasesAbove all60s
- Q9What happens to temperature during an endothermic reaction?DecreasesStays constantIncreasesAll of the above60s
- Q10Which of the following is a sign of a chemical change?Bubbles or gases does not form.No change in smellColor ChangeTemperature stays the same60s
- Q11Which of the following is a sign of a chemical change?Color stays the sameTemperature changeNo gas formsNo smell60s
- Q12If a solid forms is that a sign of a chemical change?Yes and NoNoYesNo and Yes60s
- Q13Which of the following is a sign of a chemical change?Odor or SmellGas does not formTemperature stays the sameColor does not change60s
- Q14Which of the following is a sign of a chemical change?Color does not changeGas or bubbles formTemperature does not changeOdor and smell does not change60s
