10Sci2: Chemical Reactions Collection

Question 1

A substance with a pH of 7.5 is neutral

Accepted Answer

False

Question 2

Balance the equation: N2 + H2 --> NH3

Accepted Answer

N2 + 3H2 --> 2NH3

Question 3

In order to use the heating flame on our bunsen burner, the air hole must be ______ .

Accepted Answer

Open

Question 4

In our corrosion experiment, the independant variable was:

Accepted Answer

the conditions they were left in (e.g. salt water, air)

Question 5

Which part of an atom has a negative charge?

Accepted Answer

Electron

Question 6

A generally slow reaction between refined metals and oxygen producing a metal oxide.

Accepted Answer

Corrosion

Question 7

A reaction between an acid and a base that produces a mixture of salt and water.

Accepted Answer

Neutralisation

Question 8

The following is an acceptable step in a method: 3. After the precipiate forms, write down your observations.

Accepted Answer

False

Question 9

What is my main teaching area?

Accepted Answer

Biology

Question 10

Ant bites increase the acidity of our blood. The medication for this is a an example of a Neutralisation reaction.

Accepted Answer

True

Question 11

How long have I been with you guys?

Accepted Answer

6 Weeks

Question 12

A reaction that produces an insoluble salt when combining two solutions that contain soluble salts.

Accepted Answer

Precipitation

Question 13

A '_________' is able to dissolve other substances.

Accepted Answer

Solvent

Question 14

A catalyst...

Accepted Answer

Increases the rate of a reaction without going through chemical change.

Question 15

A generally quick reaction between a fuel and oxygen to produce energy.

Accepted Answer

Combustion

Question 16

Which type of graph is shown?

Accepted Answer

Column Graph

Question 17

Which element has 18 atoms present in the compound: C18H24N2O6

Accepted Answer

Carbon

Question 18

The pH scale ranges from 1-16

Accepted Answer

False

Question 19

The Elephant's Toothpaste was an example of what type of reaction?

Accepted Answer

Decomposition

Question 20

Identify the products in the reaction: HCl + NaOH --> H2O + NaCl

Accepted Answer

NaCl, H2O

Question 21

Which of the following is correctly balanced?

Accepted Answer

C3H8 + 5O2 --> 3CO2 + 4H2O

Question 22

Which part of an atom has a positive charge?

Accepted Answer

Proton

Question 23

Which of the following is a correct hypothesis?

Accepted Answer

The magnesium will combust overthe flame.

Question 24

How do you spell my name?

Accepted Answer

Mr. Mackellar

Question 25

What is the name of this topic?

Accepted Answer

Chemistry for Life

Question 26

A '_______' is a substance that can be dissolved in other substances

Accepted Answer

Solute

Question 27

Periods on the periodic table refer to the columns.

Accepted Answer

False

Question 28

Water is an example of a '__________'.

Accepted Answer

Solvent

Question 29

Which of the following is a mixture?

Accepted Answer

H2O + NaCl

Question 30

What university am I currently attending?

Accepted Answer

UOW (University of Wollongong)

Question 31

Cl is an example of a compound.

Accepted Answer

False

Question 32

How many Carbons are in the compound methan? CH4

Accepted Answer

1

Question 33

HCl, is a substance with a pH of 1.1, this makes it a "__________" substance.

Accepted Answer

Acidic

Question 34

Which of the following are combustion reactions?

Accepted Answer

Iron + Oxygen --> Iron Oxide + Energy, Paddlepop Stick + Oxygen --> Carbon Dioxide + Water + Energy, Magnesium + Oxygen --> Magnesium Oxide

Question 35

Which of the following is correctly balanced?

Accepted Answer

CH4 + 2O2 -> CO2 + 2H2O

Question 36

The nucleus of an atom contains

Accepted Answer

Protons and Neutrons

Question 37

Which of the following is not a varialbe in a scientific experiement?

Accepted Answer

Uncontrolled Variable

Question 38

The rows on the periodic table are called groups.

Accepted Answer

False

Question 39

What is/are my second teaching area/s?

Accepted Answer

Earth and Environmental Science, Chemistry

Question 40

Which of the following is not a common safety precaution.

Accepted Answer

Black Shoes.

Question 41

How Many Carbons are in this compound: C6H12O6

Accepted Answer

6

Question 42

What is a compound?

Accepted Answer

Two or more elements chemically bonded together.

Question 43

This is my ______ Prac.

Accepted Answer

First

Question 44

What is a Mixture?

Accepted Answer

Two or more elements which are not all chemically bonded together.

Question 45

Is this balanced: C6H12O6 + 6O2 --> 6CO2 + 6H2O

Accepted Answer

YES

Question 46

Identify this piece of equiptment

Accepted Answer

Beaker

Question 47

The formation of Rust on the bottom of boats is an example of a Decomposition Reaction.

Accepted Answer

False

Question 48

What degree am I studying?

Accepted Answer

Bachelor of Science Education

Question 49

'Sodium Hydroxide + Hydrochloric Acid --> Salt + Water' is an example of a precipitation reaction.

Accepted Answer

False

Question 50

"____________" is the random movement of particles suspended in a liquid or gas.

Accepted Answer

Brownian motion

Question 51

Reactions in which a compound breaks down into two or more simpler substances.

Accepted Answer

Decomposition

Question 52

Balance the equation: H2 + O2 --> H2O

Accepted Answer

2H2 + O2 --> 2H2O

Question 53

In the decomposition reaction " 2H2O2 --> 2H2O + O2 ", "2H2O2 " is the reactant.

Accepted Answer

True

Question 54

Which type of graph is shown?

Accepted Answer

Line Graph

Question 55

Which of the following is not one of the 6 types of chemical reactions we looked at?

Accepted Answer

Respiration Reaction

Question 56

H2O contains one oxygen.

Accepted Answer

True

Question 57

2H2O2 --> 2H2O + 2O2 is a balanced equation.

Accepted Answer

False

Question 58

Rice, peas and beans are examples of soluble substances.

Accepted Answer

False

10Sci2: Chemical Reactions Collection

Questions 58

10Sci2: Chemical Reactions Collection

Questions 58