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Bella S2

Bella S2 Nature's Chemistry

QuestionAnswer
Rock formed from molten magma Igneous
Rock formed by heat and pressure Metamorphic
Rock formed by particles settling over time Sedimentary
What types of rock CAN contain crystals? Igneous & metamorphic
What types of rocks CAN contain fossils? Sedimentary & metamorphic
Type of rock formed from cooling magma OUTSIDE a volcano Extrusive igneous rock
Type of rock formed from cooling magma INSIDE a volcano Intrusive igneous
Which type of rock has larger crystals? Intrusive igneous rocks
What is the rule between rock cooling time and the size of the crystals formed? The longer it takes to cool, the larger the crystals.
What metal is extracted from the ore called Haematite? Iron
What metal is extracted from the ore called Malachite? Copper
What metal is extracted from the ore called Bauxite? Aluminium
How are the MOST reactive metals extracted from their ores? Electrolysis
Name a metal that can be extracted from its ore using heat alone. Gold, Silver
Name a metal extracted from its ore by heating with carbon. Iron, copper, lead, zinc
True or false, in a "displacement reaction" the more reactive metal in a compound is replaced by the less reactive one. FALSE
A battery always contains... Two electrodes (usually made of different substances) and an electrolyte.
A positively charged electrode is called a .. Anode
A negatively charged electrode is called a .. Cathode
An electrolyte is a solution (or paste) that conducts electricity
In a fruit cell the electrodes are made from Two different metals
In a fruit cell the electrolyte is the juice of the fruit
True or false, in a fruit cell the further apart the metals electrodes in the reactivity series, the greater the voltage produced. True
Created by: nscobie
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