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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: What is the value of the bond angles in BrF5
1 answer
Q: Why is it easy fot gases to pass across the wall of an alveolus
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Q: What is definition of unlike charges
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Q: When is a material useful
2 answers
Q: Why do we crush solids before putting them into a solvent
2 answers
Q: Why does primary structure of protein coils to form the helical secondary structure
4 answers
Q: How many grams of oxygen are required to burn 100 gram of propane
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Q: How will you describe the sequence if oxygen carbon dioxide and blood flow in your own words
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Q: How will you describe the sequence and oxygen carbon dioxide and blood flow in your own words
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Q: What is oxidation state of Hg in Hg2Cl2
3 answers
Q: Why does the water have to be purified
1 answer
Q: Why stain of ink is easily removed from synthetic fibre
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Q: Can you use alcohol to clean suede
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Q: How much oxygen in needed to sustian fire
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Q: How do you find unknown products of a chemical equation
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Q: What chemical reaction that occurs when a mixture of gasoline and air is ignited by a spark is called a
2 answers
Q: What is the word equation for sodium hydrogencarbonate reaction
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Q: What is an organic compound hydrogen oxygen and
1 answer
Q: Are hydrogen bonds a type of intermolecular force
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Q: How many ounces in 2.64 liquid ounces
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Q: Who invented the drug ice
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Q: How much coal is needed to produce 1 ton of ammonia
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Q: What minerals make up sugar cane
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Q: Does hydrochloric acid react with nonmetals
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Q: Does hydrochloric acid and sulphuric acid react with nonmetals
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Q: Why do egg shells dissolve in hydrochloric acid
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Q: Which is correctly compared to oxygen isotopes 16O and 18O
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Q: What are the factors influence the effectiveness of chemical sanitiser
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Q: What diamond symbols
2 answers
Q: Which substance is always produced in the reaction between by hydraulic acid and sodium hydroxide
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Q: Is salt substitute (KCL) a mixture
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Q: Is lye (NaOH) a mixture or pure substance compound
2 answers
Q: What is a common green house gas found in hydrogen and oxygen
1 answer
Q: What is the compound S2F10
1 answer
Q: What is an aluminium gallium arsenide
2 answers
Q: Are iron filings soluble or insoluble
7 answers
Q: What is a chalk powder in a water it is solutionsuspension or a colloid
1 answer
Q: Why do we need to cook food
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Q: Is gasoline soluble in urea
2 answers
Q: When parking on slippery roads
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Q: What is production of heat energy by burning fuels
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Q: How substances improve our quality of life
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Q: Does 1'2c 12k on my gold necklace mean it's plated
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Q: How many 99mg potassium to take to equal to 20meq
1 answer
Q: What element were you born to control
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Q: Is the element argon shapeless
1 answer
Q: What made alchemy unscientific in its pratices
2 answers
Q: Which salt is produced when copper oxide reacts with hydrchloric acid
2 answers
Q: What type of reaction does cl2 h2o - Hclo have
1 answer
Q: Is 2al plus 6hcl - 2alcl3 plus 3h a redox reaction
1 answer
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