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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 Carbon-based molecules and known as what compounds
1 answer
Q: What is the oxidation number of P in PH3
1 answer
Q: How many moles of NO are formed from 0.30 moles of O2
2 answers
Q: What is titanium state of matter at room temperature
4 answers
Q: What macrmolecules are targeted by amylase
2 answers
Q: Why is blood doping legal or illegal
1 answer
Q: What is the valency of sodium thiosulphate
1 answer
Q: What is the molar mass for fructose
3 answers
Q: What gas is produced when you drop calcium metal in water
1 answer
Q: What is the compound for SiBr2
3 answers
Q: Is water (H2O) an element or compound
8 answers
Q: Is sulfuric acid ionic or covalent
2 answers
Q: How are atoms held together by a convalent bond
2 answers
Q: Is evaporating of water in a lake a chemical or physical change
2 answers
Q: When Kay added 30 g of hydrochloric acid (HCl) to 65 g of Zn bubbles appeared and a white precipitate zinc chloride (ZnCl2) was produced. She found that the mass of the zinc chloride was 63 g. Since t
1 answer
Q: What is the role of starch in zinc and salicylic acid paste
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Q: How can i use a particle model to explain the reaction between iron and sulphur in detail
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Q: Where does evaporation take place
4 answers
Q: What natural acid dissolve calcite
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Q: How many protons does sodium atom have
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Q: How do bases feel to the touch
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Q: How does an error occur if you stop heating a flask before all the liquid has evaporated
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Q: What is the acid present in stale cheese
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Q: Can chemical elements be split up by using heat
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Q: Can filter paper separate chalk powder
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Q: How is promethium different from the other lanthanides
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Q: Is FES weak or strong elecrolyte
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Q: Why is coal popular
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Q: What kind of precipitate is formed when alcohol is added to denatured DNA
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Q: Why diversity so essential to a balance and successful workplace and indeed to a balanced society
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Q: Why are aspartate and glutamate considered acidic
1 answer
Q: Is gasoline and example of covalent compound
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Q: What is Partially soluble
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Q: How does toilet water end up in a river
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Q: How can all compounds be molecules but not all molecules compounds
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Q: What are two examples of chemical properties and why are they chemical properties
4 answers
Q: What does it mean that your blood has little or no oxygen
1 answer
Q: How many protons are found in a atom of fluorine
7 answers
Q: What is the unknown substance for A glass of milk is in the kitchen table for a week .
2 answers
Q: What color vacutainer tube to use on lithium level
1 answer
Q: If you have 215.8g of silver and 32.1g of sulfide how much silver sulfide do you have
3 answers
Q: Why do candles burn
2 answers
Q: What is the formula of the most stable oxygen of francium
1 answer
Q: What electrical energy into chemical energy
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Q: Why Shouldn't every sample of matter have a negative charge Since all atoms have negatively charged electrons
2 answers
Q: Is charm an abstract noun
1 answer
Q: In the ethyne molecule how many electrons are being shared
2 answers
Q: What happens if vinegar and limewater were mixed together
2 answers
Q: Are substances that combine or change
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Q: How do we get hydrogen in our body
1 answer
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