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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: In the compound Al aluminum's oxidation number is plus 3 and oxygen's oxidation number is
1 answer
Q: What is an ionic equation for HClO4(aq) NaOH(aq) -- and gt H2O (l) plus NaClO4(aq).
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Q: What effective argument will appeal to which two elements
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Q: What As elevation increases oxygen content .
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Q: What are the precautions of pipette
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Q: What are the precautions of test tube holder
5 answers
Q: What is the percent of silver in a nickel 1970
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Q: What best describes what happens in a chemical reaction
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Q: What will happen when two drops of iodine is added to the starch
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Q: What statement is correct for all metals
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Q: How do we prepare 0.01 M sodium phosphate
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Q: What is the purpose of primary refrigerant
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Q: Is the paint color on a car a chemical property
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Q: What is the difference between reactive hepa. b and positive hepa. b
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Q: What is the ionic formula for Aluminum fluoride
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Q: If carbon which has an electronegativity of 2.5 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as
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Q: Can the sea salt be removed from sea water
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Q: How do you prepare 0.05M Phosphate buffer of pH 6.8
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Q: What are disadvantage of iodine
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Q: What are the effects of harmful matter
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Q: What is the effect when you apply heat to substance
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Q: Is copper sulphate dissolve in kerosene
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Q: What is the chemical equation for Ozone depletion by dichlorodifluoromethane
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Q: Why doesn't the cellulose give blue color with iodine
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Q: What is importance of chemistry in cleaning
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Q: How do you prepare saturated oxalic acid
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Q: How many atoms of each element are present in one molecule of glucose
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Q: Why chlorine is active non metal
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Q: What happen when copper carbonate is heated
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Q: What is the Noun formed from liquid
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Q: What biogas contains
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Q: What two factors affect the boiling point of water apex
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Q: What information does the first quantum number if an electron give
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Q: What type of solution is salt on water
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Q: What is the second quantum number of a 1s2 electron in phosphorus
2 answers
Q: Why do we need classify or to group materials around us
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Q: What does the third quantum number (m l) describe
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Q: What gets oxidized in electrolytic cell made with nickel and copper electrodes
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Q: What is delta h in the equation delta g delta h - t delta s
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Q: What does 212f equal on the celsius scale
2 answers
Q: In diamond carbon atoms are bonded together by extended covalent bonds. What type of solid is diamond
2 answers
Q: What of the following is a characteristic of a weak acid
6 answers
Q: What is 5 example of solid that can be separated by a magnet
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Q: What is the reation between soft soap and baking soda
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Q: Why is the head of a hammer made of iron and not lead
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Q: Why is the head of a hammer made from iron why not lead
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Q: When conducting online search what element should we measure evaluate
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Q: Is chilled soda has greater amount of dissolved gas than unchilled soda
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Q: Why chlorobenzene is less reactive than Brazil chloride
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Q: Is lace handkerchief opaque
1 answer
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