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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: Why Did Darby process of coking to remove chemical impurities from coal 1713
2 answers
Q: What is the man-made source of nitrogen dioxide
1 answer
Q: What type of substance that is taken into a root hair cell using active transport
1 answer
Q: In a single displacement reaction one element replaces another element in a compound
3 answers
Q: What is oxidative pathway
1 answer
Q: What are three compounds that include hydrogen
2 answers
Q: What must be done to an ionic compound to make it capable of conducting electricity
1 answer
Q: What problem did soda cans solve
2 answers
Q: What is the mass of 6.02 and times 1023 atoms of calcium
1 answer
Q: What is the SI unit for the amount of a substance that contains as many particles as there are atoms in exactly 12 grams of carbon -12
4 answers
Q: What is Ph for peroxide
1 answer
Q: Is a nail rusting a physical or chemical chnage
2 answers
Q: If the atomic weight of nitrogen is 14.0 what is the mass of one mole of nitrogen gas (N2)
1 answer
Q: Is methylcyclopropene covalent or ionic
1 answer
Q: If you spill a chemical on yourself the first thing to do is tell the teacher
2 answers
Q: Is an apple a strong acid or weak acid
1 answer
Q: In what ways are chemicals a part of our everyday lives
1 answer
Q: When two elements combine to form a new substance is the new substance an element Why and why not
2 answers
Q: What are the 3 properties of the ionic compounds
9 answers
Q: What are the elements in CaCO3 and HCI
2 answers
Q: Is ketchup a solution suspension or colloid
2 answers
Q: What is the luster of lawrencium
1 answer
Q: Is gold real when it's stamped 18k CID
1 answer
Q: What is the pH of francium
1 answer
Q: What part of speech is vitamin
1 answer
Q: What hazmat is made up of acids and alkaline
1 answer
Q: What are the 3 elements of handicraft
2 answers
Q: Is KL an ionic compound
1 answer
Q: What is the process of converting nitrogen gas into ammonia
1 answer
Q: Where in a cell is hydrogen peroxidase stored
1 answer
Q: Would you use an acid or base or an oxidizing agent or reducing agent or precipitating agent to convert NO2- to N2
1 answer
Q: How can it be classified that the gas given is carbon dioxide when dilute hydrochloric and sodium carbonate reacts
1 answer
Q: What colour does potato change to when Benedict solution is added
1 answer
Q: What characteristic of detergents gives them their powerful ability to remove contaminants
1 answer
Q: What is the oxidation number of Ni in Ni(OH)2-
1 answer
Q: What does This refers to the complex process by which energy in the form of ATP is release from the food molecules
1 answer
Q: What tablet size and liquid combination resulted in fastest dissolution time
2 answers
Q: What is the representative particle of nitrogen gas
5 answers
Q: What is a example of Physical hazard
5 answers
Q: Is kerosene dissolve copper sulphate
2 answers
Q: Is a buffer supposed to keep the pH of a solution at 7
4 answers
Q: Is paraffin a ionic or covalent bond
1 answer
Q: What is a colavent bond
1 answer
Q: Is ibuprofen a ionic or covalent compound
1 answer
Q: Why is carbon small
1 answer
Q: Is CrP covalent or ionic
1 answer
Q: Is gold oxide an ionic or covalent bond
1 answer
Q: Why are carbon and silicon relevant to us
1 answer
Q: What are carbon and silicon relevant to us
1 answer
Q: How many grams of phosphoric acid are required to react with 25.4 g of sodium hydroxide
1 answer
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