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Physics
Physics
Chemistry
Chemistry
Random
100
What is the formula for resultant Force?
F=ma
100
What is the prefix of 10^-1?
Deci
100
What technique is used to separate an insoluble solid from a liquid?
Filtration
100
State the Ar of Na.
23
100
What instrument measures length in mm?
micrometer
200
What is a moment?
Turning effect of a Force
200
What is the formula of electric power?
P=W/t
200
What is the chemical formula for Barium Sulfate?
BaSO2
200
What is the chemical formula for Lead Nitrate?
Pb(NO3)3
200
What is the SI unit for temperature?
Kelvin
300
What is the principle of conservation of energy?
Energy cannot be created or destroyed but can only transfer from one point to another.
300
What is the centre of gravity?
COG is a point where the entire weight of an object appears to act on.
300
What products are produced from acid and metal?
What products are produced from acid and metal?
300
What is simple distillation used for?
To separate volatile and non-volatile substances.
300
Name a pungent gas.
Ammonia
400
Name and illustrate the 3 types of equilibrium.
Stable, unstable and neutral
400
What is the principle of moment?
The sum of clockwise moments at a pivot is equal to the sum of anti-clockwise moments around the same pivot.
400
What is the chemical formula of Hydrogen Peroxide?
H2O2
400
What is the product of copper(II) oxide and Nitric acid?
Cu(NO3)2 and H2O
400
Name 3 properties of metal.
Malleable, high density, good conductor
500
Name the electromagnetic spectrum.
Radio waves, micro waves, infrared radiation, visible light, ultraviolet light, x-ray, gamma rays
500
Name and illustrate the 2 types of waves and give an example each.
Transverse (e.g. light) and Longitudinal (e.g. sound) waves.
500
How do you get A1 for Chemistry?
Hahaha
500
What is a halogen?
An stable element.
500
State the 3 formulas for electric energy.
E=IVt E=I^2Rt E=(V^2t)/R