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Classifying of matter
Names & Formulas
Complete & Incomplete combustions
Units Conversions
100
What is a mixture? question source: Chemistry Book
The combination of two or more substance.
100
what are the charge in group 16? question source: Chemistry Book
-2
100
What is the name of the following alkanes? C5H12 question source: Chemistry Book
Pentane
100
Convert: 12.5 cm to mm question source: Chemistry Book
125 mm
200
what are the types of mixture? question source: Chemistry Book
1- Homogeneous. 2- Heterogeneous.
200
What is the formula of carbonate? question source: Chemistry Book
Na2CO3
200
What are the outcome of: A- Complete combustion. B- Incomplete combustion. question source: Chemistry Book
A- The outcome of complete combustion are oxygen and carbon dioxide. B- The outcome of incomplete combustion are oxygen and carbon monoxide.
200
Convert: 105 mm to nm question source: Chemistry Book
1.05 x10^8 nm
300
Differentiate distillation and magnet methods of separation. question source: Chemistry Book
1- Magnet use to separate a metal and nonmetal from each other. 2- Distillation use to separate two liquids.
300
What is the diffrennces between a chemecal formula which ends with: A- IDE B- ATE Example: Carbonate and Hydroxide question source: Chemistry Book
A- When it ends with IDE its a nonmetal negative ion with no attached oxygen atoms. B- When it ends with ATE its a nonmetal negative ion with attached oxygen atoms.
300
Write complete and incomplete combustion of methane? question source: Chemistry Book
complete: CH4 + O2 ---> CO2 + H2O Incomplete: CH4 + O2 ---> CO + H2O
300
A pen leaves a mark of 0.4 mm. Express this length in Picometer question source: Chemistry Book
400 x10^6 pm
400
Give two classification of properties of matter: Question source: http://www.globalshiksha.com/content/two-classification-of-properties-of-matter
1- Binary classification 2- Chemical classification
400
What is the formula for potassium permanganate? question source: http://www.succeedingwithscience.com/labmouse/chemistry_as/1601.php
K+ Mn7+ (O2-)4
400
What makes incomplete combustion more dangerous than complete combustion? question source: http://www.life123.com/question/Combustion-Complete-and-Incomplete
Incomplete combustion involves the generation of carbon monoxide in addition to carbon dioxide and water generated in complete combustion.
400
the speed limit is 65miles/hour . what is the speed in km/hour (1mile = 1.61km)
104.6 km / hour
500
What are The Four Aristotelian Elements? Question source: http://www.meta-synthesis.com/webbook/31_matter/matter.html
1- Air 2- Fire 3- Earth 4- Water
500
What is the shortcut of REDOX? Question source: http://www.succeedingwithscience.com/labmouse/chemistry_as/1601.php
REDOX is shorthand for REDuction and OXidation.
500
what is the product of the reaction CH4 + O2 = ? ( incomplete cobustion )
CO+H2O
500
the gas mileage is 15 km/L . Convert this to miles per gallon. 1L = 1.06 quarts 1Gallon = 4 quarts 1km = 1000 1m = 1.094yards 1760 yards = 1 mile
35 m/g