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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 is meant by conservation of mass and energy
2 answers
Q: When one or more electrons is transferred from one atom to another.
1 answer
Q: What is all of the nonmetals for which the atomic number is a multiple of five
5 answers
Q: What moleclues form proteins when linked with covalent bonds
1 answer
Q: What would happen lipids didn't exist
1 answer
Q: What is a lactotrope
1 answer
Q: Is luster a chemical or physical
8 answers
Q: What kind of metal are nickels dimes and quarters made of
2 answers
Q: What type of bonding for the potassium chloride
1 answer
Q: What is the balanced chemical equation for the reaction acetic acid with aluminium hydroxide to form water and aluminium acetate
1 answer
Q: When atoms gain or lose electrons we call the resulting atom an ion. What are the two different types of ions and how are they formed
2 answers
Q: What are two ways oxygen is dissolved in water
1 answer
Q: How many molecules (not moles) of NH3 are produced from 5.69104 g of H2
2 answers
Q: What colour would a weak alkali turn in Universal Indicator
2 answers
Q: A component of solid liquid or gas what is that
2 answers
Q: How can you tell if something is filled gold
1 answer
Q: What is molecular model
9 answers
Q: What burns in oxygen with lilac frame
1 answer
Q: What is the method to extract sodium
1 answer
Q: What is the pH of cream soda
1 answer
Q: What two monosaccharides can form a bond
1 answer
Q: Why is acid stored in glass containers
3 answers
Q: Which one of the following statements concerning single double and triple bonds is correct
2 answers
Q: Is CoCl2 ionic or molecular or one type
1 answer
Q: How does ionic bonding take place
1 answer
Q: What happens if an inhibitor is irreversible
3 answers
Q: Can you drink ethyl alcohol
2 answers
Q: Is iron rust physical change or chemical change
2 answers
Q: What is the pH for each dilution tested example NH4OH aq
1 answer
Q: What was the PH for each dilute basee tested in NH4OH(aq)
1 answer
Q: Why can cabbage but not lettuce be used to create a pH indicator
1 answer
Q: Why are hydrogen bonds important to organisms
1 answer
Q: Is nahco3 a element compound
2 answers
Q: Is a al2o3 compound or element
2 answers
Q: What is the chemical symbol for an molecule
5 answers
Q: How is phosphorescence's helpful for mining eucryptite
1 answer
Q: Is a gold braclet a compound or a element
2 answers
Q: Is the statue of liberty changed from copper to green chemical weathering
3 answers
Q: Is a paper clip a pure substance
2 answers
Q: Copper metal conducts electricity. physical or chemical change
2 answers
Q: How many mg are in 0.2g
3 answers
Q: One chemical formula containing one carbon atom for four bromine atoms
2 answers
Q: How many grams are in 1 mole of potassium hydroxide
1 answer
Q: What do you call a special protein that help change substances during chemical reactions
1 answer
Q: Is MgF is ionic or covalent
1 answer
Q: Do arm and hammer detergents have borax
1 answer
Q: Which transition metal is used in light bulbs as a filament
1 answer
Q: What is the emprirical formula for vanillin responsible for the taste and smell of vanilla 63.15 5.30 31.55
1 answer
Q: What is the difference between centigram in milligram
1 answer
Q: What is the difference between ores and native metals
1 answer
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