Science - Chapter 10
Science14 questions
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Download This QuizpackWhich of the following is the MOST active metal?
a. Tin
b. Copper
c. Zinc
d. Iron
b. Copper
c. Zinc
d. Iron
Which of the following is the MOST active metal?
a. Potassium
b. Gold
c. Aluminium
d. Nickel
b. Gold
c. Aluminium
d. Nickel
Which of the following is the LEAST active metal?
a. Nickel
b. Tin
c. Zinc
d. Copper
b. Tin
c. Zinc
d. Copper
Which of the following describes the process of getting steel from iron ore?
a. Ore body - Mine - Roasting - Steel making furnace - Steel
b. Ore body - Electrolysis - Mine - Roasting - Steel
c. Ore body - Mine - Roasting - Electrolysis - Steel Making furnace – Steel
d. Ore body - Mine Roasting - Electrolysis - Steel
b. Ore body - Electrolysis - Mine - Roasting - Steel
c. Ore body - Mine - Roasting - Electrolysis - Steel Making furnace – Steel
d. Ore body - Mine Roasting - Electrolysis - Steel
Which of the following correctly describes the process of obtaining metals from their ores?
a. Ore body - Mine - Electrolysis- Extraction – Metal
b. Ore body - Mine - Froth flotation - Extraction - Metal
c. Ore body - Mine - Pyrolysis- Extraction - Metal
d. Ore body - Mine - Froth flotation - Electrolysis - Extraction - Metal
b. Ore body - Mine - Froth flotation - Extraction - Metal
c. Ore body - Mine - Pyrolysis- Extraction - Metal
d. Ore body - Mine - Froth flotation - Electrolysis - Extraction - Metal
Which of the following is NOT an alloy?
a. Bronze
b. Brass
c. Iron
d. Steel
b. Brass
c. Iron
d. Steel
Heating an ore in a furnace to extract the metal is known as
a. Smelting
b. Pyrolysis
c. Electrolysis
d. Plating
b. Pyrolysis
c. Electrolysis
d. Plating
Carbon + Oxygen = ---- + Heat Energy; The missing word is;
a. Iron
b. Carbon Dioxide
c. Carbon Monoxide
d. Iron Oxide
b. Carbon Dioxide
c. Carbon Monoxide
d. Iron Oxide
Iron---- + Carbon----+ Heat Energy = Iron + Carbon----; The missing words inorder are
a. Oxide, nothing, dioxide
b. Oxide, dioxide, monoxide
c. Oxide, monoxide, nothing
d. Oxide, monoxide, dioxide
b. Oxide, dioxide, monoxide
c. Oxide, monoxide, nothing
d. Oxide, monoxide, dioxide
Which of the following is NOT added during the Roasting stage of Steel Production?
a. Hot air
b. Scrap Steel
c. Limestone
d. Charcoal
b. Scrap Steel
c. Limestone
d. Charcoal
Which of the following is NOT added at the Steel Making Furnace?
a. Limestone
b. Pure Oxygen
c. Scrap Steel
d. Alloying elements
b. Pure Oxygen
c. Scrap Steel
d. Alloying elements
Which of the following metals react MOST EXPLOSIVELY with water?
a. Nickel
b. Gold
c. Alluminium
d. Zinc
b. Gold
c. Alluminium
d. Zinc
Which of the following is the LEAST active metal?
a. Nickel
b. Iron
c. Calcium
d. Zinc
b. Iron
c. Calcium
d. Zinc
Which property applies to all metals?
a. Melting Point
b. Chemical Reactivity
c. Tensile Strength
d. Ductile
b. Chemical Reactivity
c. Tensile Strength
d. Ductile
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