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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 chemical name for caffeine
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Q: Why is carbon dating not useful for determining the age of human artifacts that are 100000 years old
1 answer
Q: Can you mix powdered bleach with the developer from a hair dye
1 answer
Q: What is the important difference between how concentration and solubility are measured
3 answers
Q: Would a gas sink or float in water
1 answer
Q: How can you tell whether a compound is pure or not
1 answer
Q: What is the largest mass of copper sulphate which can be dissolved in 50 grams of water at 60 degrees
1 answer
Q: Is Aluminum nitride is ionic or covalent
2 answers
Q: When working in the lab testing different pH levels of acids and bases what safety rule must you always follow
1 answer
Q: What process will give off more carbon dioxide
1 answer
Q: What is the state of ethanol at -50 degrees celcius
1 answer
Q: What is the compound formed between H and F
2 answers
Q: What State of oxides of germanium
1 answer
Q: What is true of a bronsted Lowery base
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Q: What is the maximum number of atoms that hydrogen atom bond with in an organic compound
2 answers
Q: Is cassava alkaline or acidic
1 answer
Q: What are the names of the two polymers formed from alpha gluscose
2 answers
Q: What is the atomicity of potassium hydrogen carbonate
1 answer
Q: What Atoms of which elements form bonds without satisfying the octet rule
2 answers
Q: Is the sodium oxide that is formed an acid or a base
1 answer
Q: What gas must be present for burning to happen
5 answers
Q: What is one malleable element
2 answers
Q: Is steel an element compound pure substance or mixture
2 answers
Q: Is chlorine surface is shiny or dull
1 answer
Q: What is the colour of acetylene flame
1 answer
Q: What is the element with an atomic number 18
1 answer
Q: What is the colour of soap on pH indicator
1 answer
Q: What is the copper oxide formula
5 answers
Q: Why was Mendeleev's periodic table accepted by most chemists
3 answers
Q: What is the percent of iron in iron (II) hydroxide
1 answer
Q: What compound is MnP2
1 answer
Q: Is Safranin dye is acidic or basic
1 answer
Q: Is jello a solution or compound
2 answers
Q: What does number before the compound represent
2 answers
Q: Are molecules in Na Cl present
1 answer
Q: What is ice the drug made from
2 answers
Q: What type of bond does oil have
5 answers
Q: What is tulali made of
3 answers
Q: What is the density of unsanitary water
2 answers
Q: Why were the contents of the flask filtered
2 answers
Q: How do you 0.02 m sulphuric acid standardization calculation
2 answers
Q: What is the charge that the ion formed from iodine would have.
1 answer
Q: What is an ordinary mechanical mixtures
2 answers
Q: Where is energy stored in these molecules
1 answer
Q: Do the following conversions 1500ml to l and 2km to cm 5.8dg to mg and 22 celsius to kelvin
2 answers
Q: Where does carbon monoxide in the atmosphere come from
1 answer
Q: What is 2000mg in gram
1 answer
Q: Why a hydrogen atom can become either an ion or a part of a molecule
2 answers
Q: What color is a gas flame that is starved of oxygen
2 answers
Q: What Cubic cm l ml are used to measure
2 answers
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