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Chemistry
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.
221k
Questions
Q: A substance with density equal to 2.1 g cm3 would it float or sink
2 answers
Q: How do waters relative densities as a solid and a liquid differ from that of most other substance
3 answers
Q: Which metal reacts the most violently with acid
6 answers
Q: Is the color of a substance a physical property true or false
9 answers
Q: What is the formula for cesium ion
3 answers
Q: How do you put acetylene in a sentence with at least 10 words
3 answers
Q: Is citric acid compound or mixture
2 answers
Q: Why are the two bottom rows of the periodic table not attached to the rest of the table
3 answers
Q: What is the test to show gas is chlorine
2 answers
Q: How do you remove bleach stains from shoes
3 answers
Q: What is the symbol and valency for Sodium ion
3 answers
Q: What Symbol and valency of mercury
2 answers
Q: Can you balance this equation Ba plus O2
4 answers
Q: A common compound that is ionically bonded
3 answers
Q: Are oxides of non -metals acidic or basic and why
2 answers
Q: Is mercury oxide an element
3 answers
Q: Can you eat plutonium
3 answers
Q: What colour would litmus turn in acids
7 answers
Q: What does it mean when blue litmus paper turns red when put in a liquid
3 answers
Q: Is an acid an electron donor
1 answer
Q: How much is 10k silver worth per gram
3 answers
Q: What two primary colors can be mixed together to make the color green
3 answers
Q: What are amino acids that cannot be made by metabolism called
6 answers
Q: What is notation for subshells of M shell
3 answers
Q: How can you measure how much salt there is in a jar of baby food
2 answers
Q: When two gases or two liquids form a solution the substance that is present in the largest amount in the
3 answers
Q: How do you get ink out of fabric
3 answers
Q: Does helium have mass
3 answers
Q: Does titanium freeze
7 answers
Q: What besides oxygen and hydrogen which element is most abundant within the human body
3 answers
Q: Do Organisms produced as a result of binary fission exhibit a great deal of genetic variation
4 answers
Q: How many centicubes added to a measuring cylinder of water if the water level rose by 25ml
4 answers
Q: How do you extract aluminium from Aluminium Oxide
3 answers
Q: How many bonds does carbon make with oxygen in carbon dioxide
3 answers
Q: How do you make homemade carbon dioxide
3 answers
Q: Why changes of stat are physical changes
3 answers
Q: What cycle involves oxygen gas
3 answers
Q: Name 10 things made out of coal
3 answers
Q: Vinegar contains acetic acid the formula for acetic is ch3cooh one mole of acetic acid has a mass of
3 answers
Q: What is the acidic name for HF
3 answers
Q: Do acids and bases react to form water and salt in a neutralization reaction
3 answers
Q: How are hydrogen sodium and rubidium similar
3 answers
Q: What does 14K 001 mean on an engagement ring
4 answers
Q: What happens if oxygen mixed with potassium
2 answers
Q: Is rubidium a transition element
3 answers
Q: What is the chemical formula for plumbous chloride
3 answers
Q: What is the name for SrOH4
3 answers
Q: What is the name of coal dust
3 answers
Q: What has the greatest electronegativity H Cl O F Na
5 answers
Q: What properties of a compound would lead you to expect that it contains ionic bonds
3 answers
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