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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 yield mean
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Q: What do farmers us calcium hydroxide for
2 answers
Q: What color does cobalt blue and white make
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Q: What is the effect of acid value on the quality of oil
1 answer
Q: What color does silver and white make
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Q: Why must the titration be carried quickly and diffuse
1 answer
Q: Are chemical reactions usually written left to right
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Q: What is nickel hardness on MOHs scale
1 answer
Q: Why brown turbidity found in titrating KMno4 with oxalic acid
1 answer
Q: How many protons and neutrons are in an atom of 50V
2 answers
Q: What were all the iron molecules are in your body were originally created by
2 answers
Q: What is the word equation for zinc carbonate reacting with dilute sulfuric acid
7 answers
Q: What results if water is heated and highly pressured underground
1 answer
Q: Why does graphite conduct electricity whereas diamond does not and they are both allotropes
5 answers
Q: How is the movement of oxygen in body different from movement of carbon dioxide
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Q: What the period and group of germanium
1 answer
Q: What are combustible substances are also called
2 answers
Q: What are two compounds name them and Describe one physical property of each
1 answer
Q: How can you tell if a mixture is acidic or basic
1 answer
Q: What color does yellow and chartreuse make
2 answers
Q: What is An example of everyday life in movement
1 answer
Q: What formaldehyde CH2O and acetic acid C2H4O2 have the same empirical formula but different
2 answers
Q: What is the formula for homemade weed killer
1 answer
Q: How can white phosphorus
1 answer
Q: What is the mass of this sulfur (Density of sulfur  2.07 gcm3.)
2 answers
Q: Is it a chemical or physical change when a scientist break-up water into oxygen and hydrogen gas
3 answers
Q: Is length of an object a physical or chemical change
2 answers
Q: Is Ag2CO3 ionic or molecular
1 answer
Q: Is pt compound or element
3 answers
Q: Is calcium sulfate element or compound
2 answers
Q: What is the amount equal to 10 g
2 answers
Q: What does 925 NV L mean on silver
1 answer
Q: In hydrogen spectrumwhat is the ratio of first line of Lyman series to the first line of balmer series
1 answer
Q: What are the advantages of non metals
7 answers
Q: How long does slime take to make
2 answers
Q: What causes gold to be hard enough to make into jewelry
1 answer
Q: What is stronger sodium hydroxide or hydrochloric acid
2 answers
Q: What is the difference between Berberine and Berberine HCL
1 answer
Q: Is manganese(iii) oxidex a covalent compound or ionic
1 answer
Q: What are the intermolecular forces in gasoline
4 answers
Q: Why calcium is not used in the lab preparation of hydrogen
1 answer
Q: What chemical test to distinguish between sodium sulphate and ammonium sulphate
2 answers
Q: What will happen if sulphur powder is burned in air
1 answer
Q: Why is oxygen important to living beings
1 answer
Q: Is Distilled water is conductor
2 answers
Q: How can reducing the burning of fossil fuels help reduce acid rain
1 answer
Q: How many covalent bonds can fluorine make
1 answer
Q: Is a peanut butter sandwhich heterogeneous or homogeneous
2 answers
Q: What is the effectiveness of chemical sanitizes
1 answer
Q: How much does salt cost you per ton
1 answer
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