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15
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In what form is Calcium found on Earth? Name the rocks/ stones
Limestone, Marble, Gypsum, Sandstone
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baam
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star
Double points!
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gift
Win 20 points!
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thief
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15
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What are Stalagmites and Stalactites? Where is it found?
Rock formations inside caves. When water evaporates, it leaves behind Calcium deposits
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trap
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magnet
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fairy
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baam
Lose 25 points!
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15
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Why do you think the Taj Mahal has stood for so long in all kinds of weather conditions?
Because its made of Limestone. It is strong , hard and durable
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15
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How does it react with Water? What gas is given out? How do you test the gas?
Reacts Vigorously. Hydrogen gas is given out - Pop sound
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lifesaver
Give 25 points!
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gold
Win 50 points!
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gift
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baam
Lose 10 points!
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15
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What is the Symbol of Calcium?
Ca
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15
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What is present in hard water that makes it hard and inefficient?
Calcium and Magnesium particles
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seesaw
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rocket
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fairy
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lifesaver
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15
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Describe the Calcium Metal
White Silvery Soft Metal
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15
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What happens when calcium levels in our blood is low?
1) Cannot perform functions efficiently 2) Takes it out of our bones, then bones become weak
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15
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Why is Limestone used in Construction?
It is strong , Hard and Durable
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15
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Why is Hard water difficult to use?
1) Doesnot lather 2) Leaves a coating on utensils and taps 3) Difficult to wash clothes
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