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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 meant by radio active elements
1 answer
Q: What is the physical property of chalk
2 answers
Q: What are the constituent elements of sorbate
1 answer
Q: What actually transfer ed when you dipped your finger into the water
1 answer
Q: Are rotten leaves a physical or chemical change
4 answers
Q: Why an excess of copper oxide is added to s
1 answer
Q: Why oxygen has a lower freezing point then ethanol
1 answer
Q: Why bromine vapour spread upwards
1 answer
Q: How do you prepare 0.002N methanolic KOH
4 answers
Q: What is the lattice energy for sodium sulfide
1 answer
Q: Is facial cream a compound mixture or element
1 answer
Q: Is halo halo a compound mixture or element
3 answers
Q: What can be substituted for borax in making slime
1 answer
Q: What protect from the wall of the stomach from hydrochloric acids
1 answer
Q: What does SI classification mean for a diamond
1 answer
Q: What are the contents of the rubbing alcohol
2 answers
Q: Charring of sucrose and salt
3 answers
Q: Why phosphorus is not an atmospheric cycle
1 answer
Q: What power source contains a chemical that releases electrons on one side and a chemical that accepts the electrons on the other side.
2 answers
Q: What thing's temperature may reach as high as 2000 degrees Celsius
1 answer
Q: Is glycerine soluble in hexane
1 answer
Q: Which non metal is used in fluorescent bulbs in display advertisements
3 answers
Q: How are gold and silver purified
2 answers
Q: What are the oxides of nitrogen
1 answer
Q: Why does potassium iodide and lead nitrate form a yellow substance
2 answers
Q: Why does hydrogen form when zinc reacts with hcl
1 answer
Q: How do you prepare 0.001M perchloric acid
1 answer
Q: What is bio intensive gardening
2 answers
Q: Is citric acid and sodium bicarbonate an endothermic reaction
1 answer
Q: What is the constituent element of silicon dioxide
3 answers
Q: What color flame would potassium ions make using sodium and potassium ions
1 answer
Q: Is iron nitrate a salt or acid
2 answers
Q: What is the difference between Merthiolate and iodine
1 answer
Q: Is potassium chloride saturated in dissolved in 100 g of water it is then cool down for 90C to 60C how many grams of precipitate will be form
1 answer
Q: What trend is seen on the periodic table
3 answers
Q: Is this a good answer I thrive on activities that have an element of danger
1 answer
Q: Does oxygen have one element
2 answers
Q: A piece of aluminum foil 0.550 mm thick and 1.00 cm square is allowed to react with bromine to form aluminum bromide A How many miles of aluminum were used The density of aluminum is 2.699 g cm3
3 answers
Q: What are anticliness
1 answer
Q: Can chemical change and physical change happen simultaneously
2 answers
Q: How long does it take an ink pen to freeze in a freezer
6 answers
Q: What are the harmful effects in evaporation
2 answers
Q: What are the harmful effects in sublimation
1 answer
Q: What is the pH of lux soap
2 answers
Q: Why is silver lustrous
2 answers
Q: What is the element of Uuo
2 answers
Q: What is volume of liquid
2 answers
Q: How do you find rise in temperature of water in a calorimeter
2 answers
Q: Why should food not be re-heated more than once
1 answer
Q: What is the third quantum number of a 2s2 electron in phosphorus
2 answers
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