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Chalk contains 3 percent carbon
Chalk contains calcium,carbon and oxygen in the ratio 10:3:12.Find the percentage of carbon in a chalk and in a stick of chalk,
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Ashish
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Chalk contains 3 percent carbon 10 percent calcium and oxygen find the amount in grams of each of these substances in 1 kg
2 answers
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Monika
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chalk contains 3% of carbon,10%of calcium & 12%of oxygen.find the amount in grams of each of these substancein 1kg of chalk.
1 answer
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sonam
552 views
Approximately what percent does Central America contribute to the total amount of carbon dioxide produced in the world?
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1 answer
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Which percent of Earth’s atmosphere does carbon dioxide gas make up?(1 point)
Responses more than 99 percent more than 99
1 answer
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goofy ahh bugger
348 views
Which percent of Earth’s atmosphere does carbon dioxide gas make up?(1 point)
Responses about 78 percent about 78 percent more
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Bot 2.0 🤖
366 views
Which percent of Earth’s atmosphere does carbon dioxide gas make up?(1 point)
Responses more than 99 percent more than 99
1 answer
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blobby
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Special Properties Quick Check
1 of 31 of 3 Items Question Which percent of Earth’s atmosphere does carbon dioxide gas make
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Special Properties Quick Check 1 of 31 of 3 Items Question Which percent of Earth’s atmosphere does carbon dioxide gas make
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Which percent of Earth’s atmosphere does carbon dioxide gas make up?(1 point)
Responses more than 99 percent more than 99
1 answer
169 views