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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: Which is the percent composition of phosphorus in Zn3(PO4)2
1 answer
Q: What term is defined as a molecule formed by bonding of two monoasccharides
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Q: What type of reaction is CCl4 C 2Cl2
1 answer
Q: What elements form acetic acid
2 answers
Q: Which process changes water into a gaseous state
1 answer
Q: What is the equation for the reaction between a mixture of egg albumin potassium nitrate and sodium carbonate
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Q: Which chemical helps in chlorophyll formation
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Q: What materials at home that are useful or harmful
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Q: What are the useful and harmful material found in home
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Q: What is the formula for chromium III nitrate and sodium carbonate
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Q: What is a characteristic of creatinine
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Q: What statement best describes why a leaf appears to be green
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Q: How are the carbon nitrogen and oxygen cycles similar
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Q: What does it mean for a solution to be supersaturated apex
2 answers
Q: Does a precipitate form when ammonium nitrate and potassium hydroxide are mixed
1 answer
Q: When citric acid is added will the pH increase or decrease
2 answers
Q: Is saline solution a basic
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Q: What is true of a brønsted Lowry acid
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Q: What is Normality for concentrated sulfuric acid
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Q: Is so3 a ionic or convalent bond
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Q: Is NH an acid
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Q: If you were to remove an electron from this sodium atom that has eleven protons what would be the electrical charge of the ion
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Q: Which part of the experiment is the third step in the scientific method(Testing a hypothesis)
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Q: What are the materials and equipment needed in an experiment
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Q: Which of these values is most responsible for changing the boiling and freezing points of a solvent
3 answers
Q: What is the weakest chemical bond
4 answers
Q: What is the organic solvent for plastic
6 answers
Q: Which comes last in the scientific method a developing a theory b proposing a hypothesis c conducting an experiment d testing a hypothesis
2 answers
Q: What is the name for the covalent compounds IF7
1 answer
Q: Which would most likely be reduced when combined with Zn(s)
2 answers
Q: Which would diffuse faster concentrated ammonia or diluted ammonia
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Q: What kind of material lines the tubes of fluorescent lights and glows when exposed to UV light
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Q: What is oxidation number of P in P(OH)3
1 answer
Q: What is a following example for ageism
2 answers
Q: What does corrosive acids and alkalis symbol mean
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Q: What is the mass in kilograms of 1.20x1028 atoms of copper cu
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Q: Is alkaline water good for your health
5 answers
Q: Why do we say that chemical reactions always involve changes in energy
2 answers
Q: How are alloys and ceramics similar
1 answer
Q: How many grams in a pack of c
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Q: Is Pb(NO3)2 molecular or ionic
3 answers
Q: Is the melting point of butter a physical or chemical property
7 answers
Q: Which laundry detergents contain non alkaline ingredients
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Q: What is the correct name for the compound xefl4
2 answers
Q: Is taking 36 mg of Ferrous Fumarate per day too much
1 answer
Q: What does heating increase the speed at which a solute dissolves in water
7 answers
Q: Why do scientist use differnet types of models to represent compounds
1 answer
Q: Why is chemistry a science and alchemy was not
1 answer
Q: How much would the freezing point of water decrease if 4 mol of Na CI were added to 1 kg of water
1 answer
Q: What is pH level 1
1 answer
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