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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 is the chemical formula for the compound formed between potassium and bromine
2 answers
Q: What are some characteristics of a chemical change
2 answers
Q: What is the charge if most common ion for Cs
1 answer
Q: What area of science studies is atoms in
1 answer
Q: What are the charges of subatomic particles and their locations in the atom
4 answers
Q: How many lone pairs in NO2F
1 answer
Q: What is the hypothesis of elephant toothpaste experiment
1 answer
Q: In the reaction MgCI2 plus 2KOH Mg(OH)2 plus 2KCI if 3 moles MgCI2 are added to 4 moles KOH what determines how much Mg(OH)2 is made
3 answers
Q: What is the mass of CO2
5 answers
Q: How can oxygen cross through the membrane
1 answer
Q: Is cooking foil a conductor or insulator
1 answer
Q: Why is burning a candle a closed system
1 answer
Q: When oxygen is NOT available to an animal cell what happens
1 answer
Q: How many grams is 64 moles of Cl
2 answers
Q: What substances are found in urine under healthy conditions
1 answer
Q: Which substance is the best insulator air glass or silver
1 answer
Q: Why isn't the periodic table of elements organized in alphabetical order
11 answers
Q: What type of bond does selenium and bromine form
1 answer
Q: How many 25ml measures are there in 2 litres bottle
2 answers
Q: What metal reacts steadily with dilute hydrochloride acid
1 answer
Q: What 2 elements were discovered in the 1990s
1 answer
Q: Is NH4F ionic
1 answer
Q: Why is not possible to write on an oily paper
1 answer
Q: How is hydrogen peroxide stored to minimize decomposition
1 answer
Q: It is difficult to write on glazed paper
1 answer
Q: Can heat coagulation be use to detect the presence of albumin in urine
1 answer
Q: Is aerosol deodorant a solution or a suspension
2 answers
Q: What is The name of the base CaOH2
1 answer
Q: What is the mole fraction of glycerol in a solution which contain 90g of water and 6.4g of methanol and 18.4g of glycerol
4 answers
Q: Acidic and basic conditions occur due to what reactions in the body
1 answer
Q: The area of science that studies tiny particles like atoms
5 answers
Q: When have you observed that salts are left behind when water evaporates
2 answers
Q: How did Marie maynard daly find out how cholesterol blocking your arteries can cause a heart attack
1 answer
Q: Is there bromine water discoloration at reaction with aqueous solution
2 answers
Q: What is the charge of an atom with 15 protons and 100 electrons
2 answers
Q: What substance is least likely to dissolve in water
1 answer
Q: What is the molar mass of 2AgNO3
3 answers
Q: Why does aluminium lose its shine when exposed to air
2 answers
Q: Which argument best explains the charge of an atomic nucleus
2 answers
Q: Why do atoms have no electric charge even though most of their particles have a charge
9 answers
Q: How many oxygen atoms does Ba(NO3)2 contain
3 answers
Q: How is sulphuric acid prepare by lead chamber process
1 answer
Q: What charge on the ion formed do nitrogen have
1 answer
Q: Is the milk of magnesia a pure substance or a mixture
5 answers
Q: What happens when fire touches hydrogen
1 answer
Q: Why do ionic compound have such high melting and boiling points
3 answers
Q: What is combined chlorine
1 answer
Q: Why aqueous potassium hydroxide leads to the formation of alcohols but alcoholic potassium hydroxide leads to the formation of hydrocarbon
1 answer
Q: How many words are in The Unwanted
2 answers
Q: What causes low potassium and oxygen levels
1 answer
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