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Calcium
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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
Why is Hard water difficult to use?
1) Doesnot lather 2) Leaves a coating on utensils and taps 3) Difficult to wash clothes
What is present in hard water that makes it hard and inefficient?
Calcium and Magnesium particles
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
What are Stalagmites and Stalactites? Where is it found?
Rock formations inside caves. When water evaporates, it leaves behind Calcium deposits
Why is Limestone used in Construction?
It is strong , Hard and Durable
In what form is Calcium found on Earth? Name the rocks/ stones
Limestone, Marble, Gypsum, Sandstone
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
Describe the Calcium Metal
White Silvery Soft Metal
What is the Symbol of Calcium?
Ca
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