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Grade 10 - SNC2D > Chemistry: Unit Test > Flashcards

Chemistry: Unit Test Flashcards

1
Q

When non-metals become ions, they tend to: A) lose protons B) lose electrons C) gain protons D) gain electrons

A

D

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2
Q

In molecular compounds, electrons tend to be: A) shared B) lost C) transferred D) gained

A

A

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3
Q

Ionic bonds are due to the: A) transfer of electrons B) attraction of electrons C) sharing of electrons D) magnetic attraction

A

A

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4
Q

A synthesis reaction can be compared to: A) a dancing couple switching partners B) a couple splitting after the music ends C) two singles joining for a dance D) a person cutting in on a dance couple

A

C

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5
Q

What is the total numbers of atoms in Mg3(PO4)2? A) 13 B) 12 C) 3 D) 8

A

A

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6
Q

The law of conservation of mass states what? A) Gravity will affect mass in a chemical reaction. B) Some mass in a chemical reaction will always be saved for later use. C) The mass of the reactants will equal the mass of the products in any chemical reaction. D) The mass of the products in a chemical reaction will be lower than the mass of the reactants.

A

C

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7
Q

How many times stronger is an acid with a pH of 1 than a base with a pH of 3? A) 2 times stronger B) 100 times stronger C) 10 times stronger D) 20 times stronger

A

B

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8
Q

What is the correct name of HClO4? A) chloric acid B) perchloric acid C) hydrochloric acid D) hydroperchloric acid

A

B

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9
Q

If lithium metal is dropped into hydrochloric acid, which gas would be produced? A) hydrogen B) hydrogen, oxygen and carbon dioxide C) oxygen D) hydrogen and oxygen

A

A

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10
Q

Which of the following is not a base? A) NaOH B) H3PO4 C) NH4OH D) KOH

A

B

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11
Q

Which of the following are the products of a neutralization reaction? A) acid + base B) water + ionic salt C) water + base D) ionic salt + acid + base

A

B

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12
Q

Which of the following are the products of a metal oxide and water? A) water + ionic salt B) acid C) base D) ionic salt + acid + base

A

C

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13
Q

How many electrons are there in a sodium ion? A) 11 B) 8 C) 12 D) 10

A

D

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14
Q

This chemical family forms 1+ ions and is highly reactive.

A

Alkali Metals

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15
Q

These solutions have a pH above 7.

A

Bases

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16
Q

A base releases these types of ions.

A

Hydroxide

17
Q

This type of reaction occurs between sodium and aluminum.

A

Single Displacement

18
Q

Elements in group 17 have this many valance electrons.

A

7

19
Q

What is the name of PbO?

A

lead (II) oxide

20
Q

What is the name of Na2SO3?

A

sodium sulfite

21
Q

What is the name of LiBrO3?

A

lithium bromate

22
Q

What is the name of H2SO4?

A

sulfuric acid

23
Q

What is the name of Al2O3?

A

aluminum oxide

24
Q

What is the formula for dinitrogen tetrahydride?

A

N2H4

25
Q

What is the formula for phosphoric acid?

A

H3PO4

26
Q

What is the formula for barium hydroxide?

A

Ba(OH)2

27
Q

What is the formula for iron (II) sulphate?

A

FeSO4

28
Q

What is the formula for potassium phosphate?

A

K3PO4

29
Q

Identify the reaction type and balance the follow reaction: __Pb(OH)4 + __Al2(SO4)3 ⇒ __Al(OH)3 + __Pb(SO4)2

A

Double Displacement, 3Pb(OH)4 + 2Al2(SO4)3 ⇒ 4Al(OH)3 + 3Pb(SO4)2

30
Q

Identify the reaction type and balance the follow reaction: __(NH4)3 + __Br2 ⇒ __NH4Br + __N2

A

Single Displacement, 2(NH4)3 + 3Br2 ⇒ 6NH4Br + 1N2

31
Q

State the reaction type of the following: Cu + KBr ⇒ CuBr + K

A

Single Displacement

32
Q

State the reaction type of the following: CH4 + 2O2 ⇒ CO2 + 2H2O

A

Combustion

33
Q

State the reaction type of the following: H2 + O2 ⇒ 2H2O

A

Synthesis

34
Q

State the reaction type of the following: 2MgO ⇒ 2Mg + O2

A

Decomposition

35
Q

State the reaction type of the following: Pb(OH)2 + 2HCl ⇒ H2O + PbCl2

A

Neutralization

Grade 10 - SNC2D (43 decks)

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