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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 are some examples of hazardous chemicals
2 answers
Q: What Different beverages may be absorbed at slightly different rates because of
2 answers
Q: What is the name of the scientist that studies matter
1 answer
Q: In a plot of ln(k) vs. 1T a slope of and ndash4.3 x 102 K is obtained. What is the activation energy for this reaction
2 answers
Q: What happends when carbonate minerals come into contact with hydrochloric acid
2 answers
Q: What class of minerals do gold silver and copper belong too
2 answers
Q: What is a Na plus ion
2 answers
Q: What does liquids become when they freeze
3 answers
Q: Any terrorist device that may contain biological agents radiation material incendiaries or explosives chemical agents and their precursors is known as
2 answers
Q: When added to water how does an acid affect the pH an H plus concentration
1 answer
Q: What Acid example formula
1 answer
Q: What is chemical equation for magnesium nitride
2 answers
Q: What concentration of oxygen should be used as you begin positive-pressure ventilation
1 answer
Q: Can i replace potassium dichromate to sodium dichromate
1 answer
Q: What is introduction for anions in aqueous solutions
1 answer
Q: What is a gas burner
1 answer
Q: What is the compound name for Cd(OH)2
1 answer
Q: How do sulfur dioxide end up in lakes
1 answer
Q: What is another word for nitrogen
1 answer
Q: What is Color of Flame of Calcium chloride
1 answer
Q: What is used to describe the conditions of a reaction to equilibrium
2 answers
Q: If nearly 78 of the atmosphere is made of nitropen how could there be a shortage of nitrogen
1 answer
Q: How do you make Camphor
2 answers
Q: Why concentrated sulphuric acid should not be used while preparing hydrogen gas in laboratory
1 answer
Q: Why does sugar do not have a definite shape
1 answer
Q: What colour created by combining red and yellow
1 answer
Q: What leaves more soap scum shower gel or bar soap
1 answer
Q: Is plastic positively or negatively charged
1 answer
Q: What major branch of science does geochemistry rely on
1 answer
Q: What happens to the molecules of a solid such as a sugar cube when it dissolves water
2 answers
Q: Is sulfur is magnetic
3 answers
Q: What is the correct formula formed from lead(Pb) plus 4 and Oxygen(O)-2
5 answers
Q: IS the petrol NECESSARY FOR burning combustion
1 answer
Q: What can drinking water with baking soda do
1 answer
Q: Is Grey hair is dyed to a red colour physical or chemical change
1 answer
Q: What do you call metals that contain iron
6 answers
Q: What one of the following describes the molecular geometry of a molecule with two electrons groups with only bonded pairs
3 answers
Q: Why phenolphthalein cannot be used as an indicator for titrating a weak base against a strong acid
1 answer
Q: What zero degree as its freezing point and 100 degrees as its boiling point
4 answers
Q: What is ideas about vapour pressure to explain how impurities increase the boiling point of water
3 answers
Q: What is the molecular weight of Mg HCO3 2
2 answers
Q: What the property of metals to be drawn out into thin wires called
2 answers
Q: How does a thermos flask made from silever glass and also contains a vacuum help to keep the contents of the flask hot or cold
1 answer
Q: Is the chocolate is heterogeneous or homogeneous
2 answers
Q: Why is fermentation unreliable in terms of the production of energy
1 answer
Q: What statement best explains why The Dean's Provocation is satirical
3 answers
Q: How many atoms are in (1.00)10-10g Au
3 answers
Q: How do you use exothermic change in a sentence
2 answers
Q: If a substance has a temperature of 273 kelvins what is it's temperature in degrees celsius
2 answers
Q: What makes nails resistant to abrasion
1 answer
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