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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: How many protons neutrons and electrons are in the following atoms Si-28 Ni-60 Rb-85 Xe-128 Pt-195 U-238 They are all neutral
2 answers
Q: Is charcoal dull or shiny
3 answers
Q: Why must we use multimix principles
1 answer
Q: What has a definite shape . It does not take the shape of its container . It also has a definite volume because it can be measured
2 answers
Q: Why is it that sodium metal would not be a good material for drinking glasses
2 answers
Q: What happen to mould when water is poured on it
1 answer
Q: What structure do most ionic bonds form
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Q: What is a bond indenture What provisions are usually included in it
1 answer
Q: Why are science properties important
1 answer
Q: Which is true about the dissolving process in water
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Q: Does rhenium conduct heat
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Q: What fabrics can melt
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Q: How does copper react with carbonic acid
1 answer
Q: Which of the following is not found in the nucleus of a atom
6 answers
Q: What are 4 things that can happen in a chemical reaction
1 answer
Q: What is the chemical formula for the compound formed between scandium3 and the nitrate ion
1 answer
Q: What substance is the Fahrenheit scale based on
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Q: What is the strongest molecular force in MgF2
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Q: What is a liquid that a solid being dissolved into
1 answer
Q: What formula shows how rate depends on the concentration of the reactants
5 answers
Q: What color sodium nitrate in solution
1 answer
Q: Is firefighter a compound noun
1 answer
Q: What are two material that do not get hot easily
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Q: How can radiation be used to preserve food
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Q: What part of sugarcane is sugar
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Q: What is the limiting reagent when 0.343 g of magnesium chloride is reacted with 10.0 mL of 2.00 M sodium hydroxide
2 answers
Q: Is Yakult probiotic alkaline or acidic
1 answer
Q: What is a red and black tube use for
1 answer
Q: What part of the blood does oxygen attach to
1 answer
Q: What are the major points of John Daltons atomic theory
4 answers
Q: What is a change in the form but not nature of a substance bonds are not broken
6 answers
Q: Why do we use powdered soap in washing machines and not bar soap
1 answer
Q: How is phosphate separated from its compounds
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Q: Waxes are formed from the reaction between two types of compounds a.fatty acid and amide b.high molecular weight alcohol and an ester c.fatty acid and high molecular weight alcohol d. ester n f.a
2 answers
Q: Is vanilla extract a chemical change or a physical change
1 answer
Q: What is the chemical formula of oats
1 answer
Q: What is the chemical formula of peanut butter
1 answer
Q: What is one type energy that is released and not useful when coal is burnt
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Q: What is the chemical formula of beer
1 answer
Q: What can you use to find out if the pH of the mixture has changed to 7
1 answer
Q: Write the reaction when chromium bromide is put into water
1 answer
Q: What is left after evaporating copper sulfate
1 answer
Q: What is the name of the binary compound NH3
2 answers
Q: When copper chloride reacts with aluminumm why does the color of the copper chloride solutioon seem to fade
1 answer
Q: When copper chloride reacts with aluminum why does the color of the solution seem to fade
1 answer
Q: Why does copper chloride solution appear to fade in color when mixed with aluminum
1 answer
Q: What are atoms composed of
2 answers
Q: What is the chemical reaction in witch an element such as iron combines with oxygen to form an oxide called
2 answers
Q: Binary ionic fef2
1 answer
Q: When vaporization takes place only on a liquids surface
1 answer
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