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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: What word means start to melt
2 answers
Q: What is the net ionic equation for BaCl2 ZnSO4
1 answer
Q: Is there zinc in tomatoes
1 answer
Q: Is MnF2 ionic
1 answer
Q: Is Na3P ionic
1 answer
Q: Do fart smell
2 answers
Q: Was it possible to determine if a substance was pure by just its appearance
1 answer
Q: What element out of lithium neon silicon helium and chlorine have a filled outermost shell
2 answers
Q: Is an ability to burn physical or chemical
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Q: Is cold candle wax a solid
2 answers
Q: How many candy wrappers are thrown away each year
1 answer
Q: What is the base form for brought
1 answer
Q: Is Borax safe to use when washing colored clothes
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Q: Why does some coal have very little sulfur in it
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Q: What is the binary ionic compound for calcium oxide
1 answer
Q: Why gold is found mainly as the metal itself
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Q: What causes copper cable turn black
1 answer
Q: How does the age of an egg affect its pH level
1 answer
Q: What are three properties of a simple crystal lattice
2 answers
Q: What is sulfur combined with nitrogen
1 answer
Q: How does coal used in homes
1 answer
Q: When sodium reacts with oxygen what is formed
1 answer
Q: What type of crystalline solid can be found in metal atoms
2 answers
Q: What is the ionic compound name for Na2SO4
2 answers
Q: What best describes an atom with low electronegativity
2 answers
Q: Which of the following is NOT a representative particle
3 answers
Q: When was the atomic theory first introduced
9 answers
Q: What minerals are used to make bright green or special effects
1 answer
Q: Which phase of a substance can exist when the pressure is less than the pressure of the triple point
2 answers
Q: Which minerals fizz when hydrochloric acid is dropped on the minerals
1 answer
Q: Which cycle involves precipitationcondensationand evaporation
1 answer
Q: What is the name of the substance found in red blood cells that makes them absorb oxygen easily
1 answer
Q: How many times a solution of pH 1 will be stronger than that of a solution having pH 2
2 answers
Q: Why is oxygen level remain constant
1 answer
Q: Does thiol form disulfide bonds
1 answer
Q: Do glass shrink when heated
1 answer
Q: Why is soap less effective in hard water
1 answer
Q: What are properties of alkali metals
2 answers
Q: What is a hormogeneous
1 answer
Q: What colour flame do you get when you burn phosphorus
1 answer
Q: How many iron atoms are in the iron oxide
2 answers
Q: What are 3 common uses of minerals
1 answer
Q: Is C2H4 iconic or covalent
1 answer
Q: What mineral makes glass and electronic equipment
1 answer
Q: What are the three major categories the elements are broken down into in the Periodic Table
1 answer
Q: What can change the solubility of a solid in a liquid
2 answers
Q: How many hydrogen ions are there in baking soda
1 answer
Q: What is produced when hydrofluoric acid is dissolved in water
2 answers
Q: What type of mixture is sugar dissolved into water
1 answer
Q: Is (NH4)2HPO4 ionic or covalent
2 answers
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