Bonding, pH and Balancing Chemical Equations Quiz Know – how to balance chemical equations – ionic and covalent bonds – acids and bases – the pH scale.

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Presentation transcript:

Bonding, pH and Balancing Chemical Equations Quiz Know – how to balance chemical equations – ionic and covalent bonds – acids and bases – the pH scale

In an experiment combining vinegar and baking soda, gas is given off. In this chemical reaction the gas is a A. reactant B. suspension C. element D. product

In the chemical formula CO 2, what does the subscript 2 represent? A. The number of atoms in carbon dioxide B. The number of carbon dioxide molecules C. The number of oxygen atoms in carbon dioxide D. The number of carbon atoms in carbon dioxide

When a base is mixed with an acidic solution, neutralization occurs because the A. Acid evaporates B. Base chemically reacts with the acid C. Mass of solution increases D. Base reaches absolute zero

Which equation is balanced? A. 2Fe + CO 2  Fe + 2CO B. Fe + 2CO  2FeCO C. 2Fe + 2CO  2FeCO D. 2FeCO 2  2FeCO

In an experiment combining vinegar and baking soda, gas is given off. In this chemical reaction the vinegar and baking soda are A. reactants B. products C. elements D. suspensions

Which of the following substances has a neutral pH? A. Acid rain pH 6.0 B. Lemon juice pH 2 C. Distilled water pH 7 D. Household Ammonia pH 12

Which of the following substances would neutralize lemon juice pH 2? A. Acid rain pH 6.0 B. Lemon juice pH 2 C. Distilled water pH 7 D. Household Ammonia pH 12

Nonmetals bond with nonmetals during A. Nonmetal bonding B. The evening C. Ionic bonding D. Covalent bonding

Nonmetals bond with metals during A. Nonmetal bonding B. The evening C. Ionic bonding D. Covalent bonding

In an ionic bond, when atoms lose or gain an electron they are called a(n) A. Element B. Ion C. Metalloid D. Noble gas

Which type of bond is pictured here? A. Nonmetal bonding B. The evening C. Ionic bonding D. Covalent bonding

In salt, when chlorine (Cl) and sodium (Na) bond, chlorine gains one sodium electron and is now A. Cl +1 B. Cl -1 C. NaCl +1 D. NaCl

On the pH scale 7 is A. An acid B. A base C. neutral D. An ion

On the pH scale 12 is A. An acid B. A base C. neutral D. An ion

On the pH scale 5 is A. An acid B. A base C. neutral D. An ion

Select the balanced equation A. CO 2 + 2Fe(CO 2 ) 2  2CO + Fe 4 CO B. CO 2 + 2Fe(CO 2 )  4COFe C. CO 2 + Fe(CO 2 ) 2  2CO + FeCO 4 D. CO 2 + 2Fe(CO 2 ) 2  3CO + FeCO

Balance the following equation ____ K + ____ Cl 2  ____ KCl 2 K + 1 Cl 2  2 KCl

Balance the following equation ____ Al + ____ HCl  ____ H 2 + ____ AlCl 3 2 Al + 6 HCl  3 H AlCl 3

Baking soda is added to vinegar. The carbon dioxide and water released in the chemical reaction is a A. reactant B. A base C. product D. An ion

Which type of bond is pictured here? A. Nonmetal bonding B. The evening C. Ionic bonding D. Covalent bonding

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