Form 4 & 5 Chemistry: Free Trial*

G. 10 & 11

Chemistry

F. 4 & 5

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G. 10 & 11 / F. 4 & 5

Chemistry: Free Trial*

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1 / 10

1. Pick the correct statement about the arrangement of particles in a metal.

A. The particles are arranged regularly and close together

B. The particles are arranged randomly and far apart

C. The particles are arranged regularly and far apart

D. The particles are arranged randomly and close together

2 / 10

2. I have 2 $dm^{3}$ of carbon dioxide gas at room temperature and pressure. How many moles do I have?

A. 0.045

B. 0.083

C. 12.0

D. 88.0

3 / 10

3. What type of bonding has 'free' electrons?

A. Ionic

B. Covalent

C. Hydrogen

D. Metallic

4 / 10

4. What type of bonding occurs when electrons are transferred from the outer shell of one atom to the outer shell of another?

A. Metallic

B. Covalent

C. Ionic

D. Hydrogen

5 / 10

5. How many covalent bonds can nitrogen form?

A. 3

B. 4

C. 1

D. 2

6 / 10

6. Where will the products be in relation to the reactants in an endothermic energy diagram?

A. An energy level diagram doesn't show levels

B. The same level

C. Lower

D. Higher

7 / 10

7. Choose the correctly balanced chemical equation from the list.

A. $FeO_{3}+ 3CO \longrightarrow Fe + CO_{2}$

B. $2FeO_{3} + 2CO \longrightarrow Fe + 3CO_{2}$

C. $FeO_{3} + 3CO \longrightarrow Fe + 3CO_{2}$

D. $FeO_{3} + 3CO \longrightarrow Fe + 2CO_{2}$

8 / 10

8. Choose the correctly balanced chemical equation from the list.

A. $C_{2}H_{6} + 3 \frac{1}{2}O_{2} \longrightarrow 2CO_{2} + 3H_{2}O$

B. $C_{2}H_{6} + 3O_{2} \longrightarrow 2CO_{2} + 3H_{2}O$

C. $C_{2}H_{6} + 3 \frac{1}{2}O_{2} \longrightarrow CO_{2} + 3H_{2}O$

D. $C_{2}H_{6} + 7O_{2} \longrightarrow 4CO_{2} + 5H{2}O$

9 / 10

9. Choose the correctly balanced chemical equation from the list.

A. $3Na_{3}PO_{4} + 3HCl \longrightarrow 3NaCl + H_{3}PO_{4}$

B. $Na_{3}PO_{4} + 2HCl \longrightarrow 3NaCl + H_{3}PO_{4}$

C. $Na_{3}PO_{4} + HCl \longrightarrow NaCl + H_{3}PO_{4}$

D. $Na_{3}PO_{4} + 3HCl \longrightarrow 3NaCl + H_{3}PO_{4}$

10 / 10

10. At equilibrium, the amount of product(s) and reactant(s) is constant. Which of the following would increase the amount of product in a reaction?

A. Remove the product from the reaction vessel

B. Add more product to the reaction vessel

C. Increase the temperature of the reaction mixture

D. Increase the pressure of the reaction vessel

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