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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: How do we get oxygen into our bodies
1 answer
Q: In the periodic table it lists chlorine what does the number 35.453 mean
2 answers
Q: Positively and negatively charged ions bind through ionic bonds to form crystals
1 answer
Q: Diamonds and graphite are examples of what solid
2 answers
Q: You label cells with a radioactive isotope of sulfur (35S). The only molecules that would be radioactively labeled in these cells are
1 answer
Q: These biological compounds are non-polar and insoluble in water
2 answers
Q: How can an acid produce hydrogen gas
2 answers
Q: What state is gold in at 2600 degrees celsius
1 answer
Q: Does chlorine water react with potassium chloride
1 answer
Q: Does iodine water react with potassium fluoride
2 answers
Q: Does bromine water react with potassium chloride
1 answer
Q: Definition of evapouration
1 answer
Q: How many elements are in CO 2
2 answers
Q: Why did my friend die after putting on oxygen mask
2 answers
Q: The solubility of ferric hydroxide would be maximum in
1 answer
Q: What property of metal does silver posses
1 answer
Q: How do you improve the colorimetry experiment
1 answer
Q: Is sodium metal a compound or element
1 answer
Q: When was the first disinfectant invented
1 answer
Q: What particle is free to drift in metals
7 answers
Q: How many valence electrons or transferred from the nitrogen atom to potasium in the formations of the compound potassium nitride
1 answer
Q: Is liquid nitrogen a pure substance or a mixture
1 answer
Q: Why are fibres mixed or blended to create fabrics
1 answer
Q: A laboratory equipment used for measuring the weight.
7 answers
Q: How does heat from a frying pan affect krazy glue
1 answer
Q: If a mineral lacks planes along which it may cleave what will occur
1 answer
Q: Which mineral Which mineral property is the least reliable for identifying a mineralproperty is the least reliable for identifying a mineral
1 answer
Q: What element used in coins
3 answers
Q: How do you do an experiment to show that when you dissolve salt in water the salt is still there
2 answers
Q: What moves into the capillaries into the alveoli
2 answers
Q: Explain why ice cubes placed in your refrigerator's freezer section become smaller over time
8 answers
Q: Is N2S3 ionic
3 answers
Q: Describe how a carbon atom in a carbon dioxide molecule in the air could become part of a starch molecule in a carrot root
1 answer
Q: When an atom gains electrons it becomes positively charged true or false
6 answers
Q: Can you use can you use Bostik glue on shoes
1 answer
Q: The products of a neutralization reaction are acids and bases.
2 answers
Q: How do you prepare .1N phosphoric acid
1 answer
Q: What is the nickname for manganese
1 answer
Q: Is a base a acid on the pH scale
2 answers
Q: What is the word for complete combustionof methane
1 answer
Q: What does insoluable mean in science terms
2 answers
Q: How many atoms does 3 molecules of methanol have
1 answer
Q: Why are chemical equations important
1 answer
Q: What is the chemical formula for copper ll sulfate
2 answers
Q: What kind of hydrogen atom in the chemical formula C2H6O
1 answer
Q: Ionic compounds have high melting points because a lot of energy is needed to break the bonds between the ions.
2 answers
Q: What is the action of nitric acid on Bromothymol
1 answer
Q: Conversion of C12H22O11 GIVES CO2 involves
1 answer
Q: What are the two processes that form ammonia
1 answer
Q: What is the color of the blood in arteries
2 answers
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