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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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Questions
Q: Why might the mass appear to go down during some reactions
2 answers
Q: What molecule provides to body with the most energy
1 answer
Q: When Energy is absorbed from the surroundings and the temperature of the surroundings decreases' What reaction is this
2 answers
Q: Is caustic soda heavier than water
1 answer
Q: Do bogs have oxygen
1 answer
Q: When sodium and potassium are kept in open air they catch fire
1 answer
Q: What colour is iron sulfate solution
1 answer
Q: When To be considered fresh water water must contain salt in a concentration .
1 answer
Q: What happens when plants lack potassium ions
1 answer
Q: What Fluorine and water balanced equation
1 answer
Q: What is the percent by mass of oxygen in MgO
1 answer
Q: Why are most organic compounds insoluble in water
6 answers
Q: Is An acid is a substance that forms hydroxide in a water solution
2 answers
Q: How many moles are in 28.85 grams of Argon
1 answer
Q: Why chloroform and ethanol dissolved with coconut
1 answer
Q: When zinc metal is placed in a solution of hydrochloric acid hydrogen gas and a zinc (II) chloride solution are formed. The container gets warm
1 answer
Q: What are the two uses of sulphur
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Q: Is FeO a saltbase or acid
1 answer
Q: What gas evolved when potassium nitrate crystals are heated with concentrated sulphuric acid
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Q: What are the two eletrodes for a voltaic cell
1 answer
Q: What element group does not react with other elements
1 answer
Q: What is an acid Select all that apply
1 answer
Q: What process the mercury vapour produces light Inside a fluorescent tube
1 answer
Q: What describes the visible light given off by a chemical reaction
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Q: What litmus paper would you use to test for an acid and what is the color change
2 answers
Q: What is solution formula
2 answers
Q: What was the rationale for use of the atomic bomb
1 answer
Q: How do petroleum and natural gas mainly form
1 answer
Q: What type of bond is B-Cl
1 answer
Q: How many elements are in Zinc sulfide
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Q: What do you predict will happen when a crystal of potassium nitrate is added to the saturated solution as it is cooled What might happen if no crystal were present
1 answer
Q: What is the oxidation number of KNO2
3 answers
Q: What Chemical change examples
2 answers
Q: What is the capability to act as a base or an acid
1 answer
Q: Is chalk less dense than salty water
2 answers
Q: What device that turns chemical energy into electrical energy
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Q: What is the name of a compound that stabilizes the pH of a solution by adding or taking hydrogen ions
2 answers
Q: Who was the first person on earth to make slime
1 answer
Q: What is value of R In the ideal gas law
3 answers
Q: When To be considered fresh water water must contain salt in a concentration
1 answer
Q: What is the voltage of a galvanic cell made with silver an nickel
2 answers
Q: What the PH level in pee
1 answer
Q: What happens when sulfuric acid and washing soda react
1 answer
Q: How do you make 3 KCl solution
1 answer
Q: If you have a solution of a strong acid and a solution of a week acid of equal concentration and volume then the
1 answer
Q: What is the mass percent of oxygen on SO2
1 answer
Q: What is the mass of x atoms of sulfur
2 answers
Q: What is meaning of PH value
1 answer
Q: What is the Balanced equation for a glow stick
1 answer
Q: Is mercury found in old thermometers an element
1 answer
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Trending Questions
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