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Chemistry
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.
221k
Questions
Q: When two substances are put in the same container they do not attract each other why do this happen
2 answers
Q: Are convolant bonds weak or strong why
1 answer
Q: If a chlorine atom were to attract electron from sodium the sodium atom would brckmf
1 answer
Q: Can you drink black coffee before a blood test that requires fasting but not for blood work
1 answer
Q: Is gelatin a solution colloid or suspension
1 answer
Q: Is smog solutions colloids or suspensions
1 answer
Q: What is the number of significant figures in avogadro.s number
1 answer
Q: What is copper wire a compound or an element
1 answer
Q: Is the bond between carbon and hydrogen polar or non-polar
1 answer
Q: What safety precautions should be taken when heating iodine
1 answer
Q: What is the Lustre of chlorine
1 answer
Q: Is carbine dioxide a compound
2 answers
Q: What is semimetal like
2 answers
Q: What are the advantages and disadvantages of cyanoacrylate glue
1 answer
Q: How do chemists contribute to agriculture
1 answer
Q: What household items contain nitrogen
1 answer
Q: Is Most of the mass in an atom is in electrons
8 answers
Q: In science class we made salt water with 200 ounces of water and 50 ounces of salt. what is the pecentage of salt weight of the whole
2 answers
Q: Is SOCl2 ionic or covalent
8 answers
Q: How does the addition of sodium carbonate affect the cost of producing glass
1 answer
Q: What exists in aqueous solution an acid or base
1 answer
Q: What are the 3 steps for determining the scale on a graduated cylinder
1 answer
Q: What is the purpose of using a funnel in a experiment
1 answer
Q: When the boiling point of water is 100 degrees celsius is it a physical or chemical property
1 answer
Q: What is the name of H3CCI
1 answer
Q: Why phosphate buffer is used in determination of enzyme activity
1 answer
Q: What happeneds to a liquid when it releases enough energy
2 answers
Q: Why does the baseline need to be drawn in pencil
3 answers
Q: Is hydrogen a reactants
2 answers
Q: When is the mass of an electron regarded as zero
2 answers
Q: What is the Net ionic equation for the reaction hypochlorous acid and barium hydroxide
1 answer
Q: What volume units is greater than one liter
1 answer
Q: What are precautions that must be taken when carrying out experiments with hydrogen
1 answer
Q: Is carpet cleaner an oxidizer
1 answer
Q: What are the properties of carbon
2 answers
Q: What is the balanced equation when ammonia reacts with zinc chloride
1 answer
Q: What is another term for a non polar molecule
1 answer
Q: How many grams of water are produced by reacting 15.8 g H2 with excess oxygen
5 answers
Q: Is the formula SrCl2 a correct compound
3 answers
Q: How does chemistry effect the clothes you wear
1 answer
Q: How do you measure colour
1 answer
Q: Why are carbon anodes replaced regularly
2 answers
Q: What should you do if you smell LPG gas
1 answer
Q: What acid is O2
2 answers
Q: Is tea a matter
1 answer
Q: Why decanting cannot be used to separate a solution
1 answer
Q: Why Be and Mg form polymeric hydrides and not ionic hydrides
1 answer
Q: If an atom is mostly empty space what keeps other matter from moving through the space inside an atom
2 answers
Q: In this organelle carbon dioxide and water are converted to
1 answer
Q: If you have been given an orange liquid and told to describe its properties. what methods would you use to observemeasureand describe the physicalproperties of this liquid without changing it
1 answer
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