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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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Questions
Q: When two or more elements combine to form a totally new substance it is called a
6 answers
Q: Why is it necessary to sterilize all the materials needed in the experiment
1 answer
Q: What is iodine commonly found in
1 answer
Q: If a reaction occurs between potassium and oxygen what will be the ratio of potassium ions to oxide ions
1 answer
Q: If a solid is crushed to a powder is it a physical or chemical change
4 answers
Q: Is NaH2PO4 a strong base
1 answer
Q: How many atoms does 6NaCI have
1 answer
Q: Is silicon tetrabromide ionic or covalent
1 answer
Q: Is ammonium hypophosphite ionic or covalent
1 answer
Q: What type of bond will form between S and F
1 answer
Q: Why doesn't chlorine and sodium fluoride solution react
1 answer
Q: What is color of patch iron copper on metalcoupling
1 answer
Q: Why is it important that living organisms not reach equilibrium in the concentrations of oxygen and carbon dioxide
1 answer
Q: What is the equation clearly showing the stereochemistry of the starting material and the product for the reaction of 2-bromobutane with sodium iodide in acetone
1 answer
Q: What happens if there is more of one reactant than the other reactant
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Q: What is a minerals ability to reflect ability to reflect light is a test for
1 answer
Q: What energy do plants transform into chemical energy
2 answers
Q: When nitrogen taken into the body exceeds nitrogen losses
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Q: What happens when zinc dust is added to an acidified solution of potassium permanganate
2 answers
Q: Can Copper Sulphate crystals dissolve
1 answer
Q: Is hypochlorite polar
2 answers
Q: Is the substance of a mixture chemically or physically combined
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Q: Why caf is an ionic bond in caf2
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Q: How does 'wrought' gold different from 'unwrought' gold
2 answers
Q: What acid and alkali produces magnesium chloride
1 answer
Q: What is the chemical name of Ba2 OH-
1 answer
Q: What is the Name compound of Al3 I-
1 answer
Q: What is the Name compound of Al3 OH-1
1 answer
Q: Is N O a polar bond
2 answers
Q: What is electrnegativity of chlorine and hydrogen on Pauling scale
1 answer
Q: What is the chemical formula for spoon
2 answers
Q: Is melting of ice in a lemonade is chemical change
4 answers
Q: What is ICN polarity
2 answers
Q: Is halite a nano-scale micro-scale or macro-scale
1 answer
Q: Would copper react with copper(II) nitrate
1 answer
Q: Why does a blue powder turned to white and lost mass upon heating
2 answers
Q: What molecule stores energy in its chemical bond for quick easy use by cells
2 answers
Q: Out of silver copper and gold which is the best for electrical wires
2 answers
Q: How many nickels equal 7 grams
2 answers
Q: Why is there no such thing as 3-chlorobutane.
2 answers
Q: When did Joseph black discover carbon dioxide
1 answer
Q: How many ions does MgBr2 have
2 answers
Q: How do you convert 200 mEq of NaHCO3 to mg
1 answer
Q: How does promethium smells like explain
1 answer
Q: How do you make coal for fertilizer
1 answer
Q: What do you call a metal bursts imto flames in water
1 answer
Q: Do all fossil fuels have in contain methane
1 answer
Q: What is 105 F in Celsius
2 answers
Q: What is the notation for a potassium ion
1 answer
Q: What holds the atoms together in the respective bond
1 answer
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