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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: Is grilling a piece of fish chemical or physical
4 answers
Q: Is a baking chocolate cupcakes chemical or physical
3 answers
Q: Is sucrose magnetic
2 answers
Q: How do you prepare 1L of 0.1M NaOH from solid NaOH
1 answer
Q: What chemical released in the body that affects another part of the body
9 answers
Q: How many protons and electrons are in Fe1 minus
2 answers
Q: What is the electron dot structure for sodium carbonate
1 answer
Q: Do all materials melt at the same temperature
4 answers
Q: IS bees creating wax from sugar a physical or chemical change
10 answers
Q: Is the crayon melting in the sun is physical or chemical change
2 answers
Q: Is HgBr ionic or covalent
2 answers
Q: What is the solute in body wash
1 answer
Q: When elements combine to form compounds their properties change
2 answers
Q: What do scientists use to classify the elements
1 answer
Q: Is Cu3PO4 a ionic compounds
1 answer
Q: What is the chemical formula of carbon and hydrogen
1 answer
Q: Is Be(OH)2 a strong base
1 answer
Q: Is Al2O3 a solid liquid or gas
2 answers
Q: When some ionic compounds dissolve not all of their bonds dissociate. what kind of conductivity would you expect such a solution to have
3 answers
Q: Is the change of plants remains into coal a physical or a chemical change
1 answer
Q: What is movement of a substance from where there is a large amount to where there is a small amount of it
2 answers
Q: Is sand a element compound or mixture
3 answers
Q: How many molecules in CaCO3
1 answer
Q: Do Covalent bonds conduct electricity
1 answer
Q: Is copper (II) sulfate a molecular compound
1 answer
Q: What they are used for
2 answers
Q: What Substance that causes sensitivity to light
1 answer
Q: What ion is oxygen most likely to form
1 answer
Q: How do ice and water differ in the arrangement of their molecules
6 answers
Q: What is youngest and softest type of coal is called
2 answers
Q: What is the relationship between group and period
2 answers
Q: What if an empty graduated cylinder weighs 51.36g. When filled with 50.0mL of an unknown liquid. it weighs 91.35g. What is the density of the unknown liquid
2 answers
Q: How much iron is present in iron(III) oxide
1 answer
Q: Is kclo4 ionic
1 answer
Q: What cell and what enzyme break down hydrogen peroxide
1 answer
Q: How many chlorine ions are required to bond with one aluminuim ion
1 answer
Q: Why is coal bad for the air
1 answer
Q: What is the relationship between the atomic mass of an element and a mole of that elements atoms
2 answers
Q: How are sugar crystals and kittens different
1 answer
Q: Is adding baking soda to scrambled eggs is a chemical change
1 answer
Q: What combination form a covalent bond
1 answer
Q: What is more electrically conductive copper or iron
1 answer
Q: What is the pH for lemon soap
2 answers
Q: What does silver ruby brass have in common then iron
3 answers
Q: What liquid and gas can create a mixture
1 answer
Q: What can make a Mixture made up of a liquid and a liquid
2 answers
Q: Can this method be used for gases
1 answer
Q: Is potassium iodide solution compound or mixture
1 answer
Q: What is the word equation for the reaction that happens when malachite is heated
4 answers
Q: In chemistry what does KJ mean
4 answers
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