Chemistry
Presentation
•
Chemistry, Science
•
10th - 12th Grade
•
Practice Problem
•
Hard
Syed Alwi
Used 366+ times
FREE Resource
1 Slide • 9 Questions
1
Chemistry
2
Multiple Choice
A mixture contains equal volumes of two liquids. Liquid S has a boiling point of 80oC and liquid T has a boiling point of 54oC.
What is the composition of the first distillate?
100% S
50% S and 50% T
10% S and 90% T
100% T
3
Multiple Choice
In an experiment, a student needs to measure 36.50 cm3 of liquid.
Which apparatus would measure this volume most accurately?
beaker
burette
measuring cylinder
pipette
4
Multiple Choice
Which method can be used to obtain water from copper(II) sulfate solution?
simple distillation
fractional distillation
crystallisation
evaporation
5
Multiple Choice
Which method can be used to obtain copper(II) sulfate crystals from its solution?
simple distillation
fractional distillation
crystallisation
evaporation
6
Multiple Choice
Which one represents an ion?
A particle with one proton, no neutron and one electron
A particle with three protons, 4 neutrons and three electrons
A particle with six protons, six neutrons and six electrons
A particle with 11 protons, 12 neutrons and 10 electrons
7
Multiple Choice
What is missing from the equation below?
acid + alkali --> salt + ...........
carbon dioxide
hydrogen
water
oxygen
8
Multiple Choice
Element X forms a basic oxide.
What is X?
a halogen
a metal
an acid
a non-metal
9
Multiple Choice
Which is a property of all metals?
conduct electricity
hard
low melting point
react with water
10
Multiple Choice
A coal-burning heater is inefficient and badly sealed. The limestone walls are near the heater and being worn away.
Which gas, escaping from the heater, causes the walls to be worn away?
CO
H2O
N2
SO2
Chemistry
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