4.1 Reactants And Products Lesson Quiz
6 Questions
| Attempts: 2068
Questions and Answers
- 1.Vinegar is added to baking soda and bubbles of carbon dioxide rapidly form. A cloudy liquid is left behind. What are products in this chemical reaction?
- A.
Vinegar and the cloudy liquid
- B.
Vinegar and baking soda
- C.
Carbon dioxide and baking soda
- D.
Carbon dioxide and the cloudy liquid
- 2.How does the number and kind of atoms involved as reactants in a chemical reaction compare to the number and kind of atoms in the products?
- A.
There are more atoms that react
- B.
There are more atoms that are produced
- C.
There are the same number and kind of each
- D.
It varies from one reaction to another
- 3.6 CO2 + 6 H2O ----> C6H12O6 + 6O2 a3. Which are the reactants in this reaction?
- A.
C6H12O6
- B.
C6H12O6 + 6O2
- C.
6 CO2
- D.
6 CO2 + 6 H2O
- 4.Lead Nitrate + Sodium Iodide ----> Sodium Nitrate + Lead Iodide (Both dissolved in water forming (dissolved in water) (bright yellow solid) clear solutions) a4. What are the products in this equation?
- A.
Lead nitrate, sodium nitrate
- B.
sodium iodide, lead iodide
- C.
Sodium nitrate, lead iodide
- D.
Lead nitrate, sodium iodide
- 5.Lead Nitrate + Sodium Iodide Sodium Nitrate + Lead Iodide (Both dissolved in water forming (dissolved in water) (bright yellow solid) clear solutions) c5. What has happened to the atoms of the reactants?
- A.
They have recombined to form the products
- B.
They have changed into new atoms.
- C.
They have new names and places.
- D.
Some have been lost to the environments.
- 6.Lead Nitrate + Sodium Iodide -----> Sodium Nitrate + Lead Iodide (Both dissolved in water forming (dissolved in water) (bright yellow solid) clear solutions) b6. What evidence shows a chemical change took place? A. the mass changed B. there was liquid involved C. a color change occurred D. chemicals were used
- A.
The mass changed
- B.
There was liquid involved
- C.
A color change occurred
- D.
Chemicals were used
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