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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: What is a non example of valence electron
1 answer
Q: What does platinum gold and mercury have in common
2 answers
Q: Why is it important to blow out the flame before the methanol is completely consumed
2 answers
Q: When the amount of oxygen is limited carbon and oxygen react to form carbon monoxide. How many grams of CO can be formed from 35.0 grams of oxygen 2C plus O2 2CO
3 answers
Q: What is Ti(CN)4 ionic compound
1 answer
Q: What characteristics of ionic bonds can be used to explain the properties of ionic compounds
2 answers
Q: What gas is generated from decomposition from waste material in a landfill
2 answers
Q: Is Pb3(PO4)2 a ionic compound or molecular
1 answer
Q: Is CuC2H3O2 a ionic compound or a molecular
1 answer
Q: Is FeBr3 a ionic compound
11 answers
Q: Is PF5 a ionic or moleculuar compound
1 answer
Q: What do R Sq and T in the codes represent
2 answers
Q: What is sodium hydroxide in a PH scale
5 answers
Q: Why you should never touch chemical to see if its alkali
1 answer
Q: How can increase the rate of catalase reaction by using the same liver
2 answers
Q: What does high ALT and ASt mean on a blood test
1 answer
Q: What is a substance with 1 or 2 electrons in the valence shell is called what
6 answers
Q: How much does an average pill weigh
1 answer
Q: What are the natural sources of potassium hydroxide
2 answers
Q: What is the Product of aluminium hydroxide oxalic acid and potassium oxalate
1 answer
Q: What is the size of a cornstarch particle
1 answer
Q: How many moles of Pt are in a 455-mg ring of pure platinum
2 answers
Q: Is fog is a pure substance
6 answers
Q: How do you separate borax from water
1 answer
Q: Why is citric acid used in the limit test of iron
1 answer
Q: Can salt be changed from solid to liquid or from liquid to gas
2 answers
Q: What the abstract noun for perfume
1 answer
Q: What is chemical characteristics of water
6 answers
Q: Is there a reaction between bromine and sodium chloride
11 answers
Q: If a piece of sodium metal is cut with a knife the shiny metal at the cut soon goes dull
1 answer
Q: Why is is it important to change the sanitizing water when its gets dirty or has organic matter like food debris in it
1 answer
Q: What is chemical effect
1 answer
Q: Is chromium nitrate ionic or covalent
2 answers
Q: Is hydrazine ionic or covalent
1 answer
Q: Is hydrazine ionic or cavalent
1 answer
Q: What are three properties of ionic compounds
10 answers
Q: Is iodine monochloride ionic or covalent
1 answer
Q: What is the volume of liter of a kilogram of ice at 0 degrees Celsius
2 answers
Q: How many formula units are in 22.4 g SnO2
2 answers
Q: Is nitrogen monoxide ionic or covalent
1 answer
Q: How many molecules are contained in 1.25 moles of carbon dioxide (CO2) and nbsp
2 answers
Q: Is tin hydroxide ionic or covalent
1 answer
Q: Is cesium fluoride ionic or covalent
1 answer
Q: Is phosphorus triiodide ionic or covalent
2 answers
Q: Is titanium oxide ionic or covalent
1 answer
Q: Is cadmium hydroxide ionic or covalent
1 answer
Q: How does the amount of hydronium ions compare to the amount of hydroxide ions
1 answer
Q: How many grams would 2350 L of O2 gas at STP weigh
2 answers
Q: What does KL 925 stamped on Money on Sterling silver ring
1 answer
Q: Is microwave physical or chemical change
4 answers
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