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-»
Chemistry
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Other Chemistry
Basic Chemistry
30 Questions - Developed by:
Vaish
- Developed on:
2018-06-29
- 4,563 taken - 2 people like it
CIDESO
1
Chemistry is the study of:
The composition of substances and their effects on one another
Living matter
The properties of matter and energy
The science of life
2
Matter is defined as anything that:
Has a solid form
Contains colour
Mixed with water
Occupies space
3
The number of states in which matter can exist is:
Four
Three
Two
One
4
The basic unit of matter is the:
Element
Atom
Proton
Base
5
Organic chemistry is the study of all substances containing:
Oxygen
Hydrogen
Nitrogen
Carbon
6
Organic chemistry is the:
Chemistry of carbon compounds
Study of physical changes associated with chemical reactions
Chemistry of oxygen and its compounds
Study of the elements and their compounds
7
The branch of chemistry that deals with compounds containing carbon is:
Inorganic chemistry
Organic chemistry
Biochemistry
Physical chemistry
8
Inorganic chemistry is the:
Study of the elements and their compounds except the chemistry of carbon compounds
Chemistry of carbon and its compounds
Chemistry of oxygen and its compounds
Study of the elements and their compounds except the chemistry of oxygen compounds
9
An atom contains:
Positive protons, uncharged neutrons and negative electrons
Positive neutrons, positive protons and negative electrons
Negative protons, positive electrons and positive neutrons
Uncharged neutrons, negative protons and negative electrons
10
The nucleus of an atom contains:
Electrons and neutrons
Protons and electrons
Neutrons only
Protons and neutrons
11
A substance which chemically cannot be broken down into simpler substances is called:
A mixture
A compound
An element
An emulsion
12
The smallest part of an element that can exist is the:
Atom
Electron
Proton
Neutron
13
Which of the following is NOT an element
Nitrogen
Oxygen
Carbon
Water
14
An example of an element is:
Ozone
Carbon dioxide
Water
Oxygen
15
The chemical symbol for sodium is:
S
N
Na
Si
16
The chemical symbol for iron is:
Ir
F
Fe
I
17
The smallest part of a compound which still has the same properties of that compound is:
An ion
An atom
A molecule
An electron
18
Which of the following is NOT a compound
Carbon dioxide
Water
Air
Salt
19
A substance formed by uniting two elements chemically is known as a/an
Mixture
Molecule
Atom
Compound
20
Oil and fat combined together in a cream is an example of:
A compound
A solvent
A mixture
Synthesis
21
The predominant bonding of atoms in inorganic compounds is known as:
Unsaturated
Covalent
Double
Ionic
22
Which one of the following is an ionic compound
Carbon dioxide
Sodium hydroxide
Methane
Water
23
Which one of the following is a covalent compound
Sodium chloride
Carbon dioxide
Potassium hydroxide
Magnesium carbonate
24
Rusting of iron is caused by:
Ionisation
Reduction
Oxidation
Electrolysis
25
The valency of oxygen is:
3
2
4
1
26
Which one of the following compounds is a hydrocarbon
Petrolatum
Hydrogen peroxide
Glucose
Calcium carbonate
27
Which one of the following chemicals consists mainly of hydrocarbons
Olive oil
Lavender oil
Almond oil
Mineral oil
28
Which of the following is a solid hydrocarbon
Paraffin wax
Spermaceti wax
Carnauba wax
Beeswax
29
Which one of the following acids is most abundant in fats and oils from plants and animals
Hydrochloric acid
Stearic acid
Acetic acid
Lactic acid
30
An atom is electrically neutral because it has:
More electrons than protons
The same number of protons and electrons
More protons than electrons
The same number of protons and neutrons
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