Chemistry Flashcards
1
Q
A characteristic of an acid is
A
It can conduct electric current
2
Q
An organic acid contain the chemical group
A
COOH
3
Q
Hertz is unit of
A
Frequency
4
Q
Examples of synthetic substances are
A
Plastic and silicone
5
Q
If a metal oxide is dissolved in water it forms
A
an alkali
6
Q
A cathode
A
Negatively charged electrode
7
Q
In the visible spectrum the colors in correct order are
A
Red - Roy G
orange
yellow
Green
8
Q
Effect of infra-red rays on skin
A
Warm deep layers of skin
9
Q
Examples of insulators
A
Plastics
10
Q
Function of a transformer is to change
A
Voltage from AC to DC
