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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.

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Q: What is an irreversible change to matter
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Q: What is a neutral solution acid or base
2 answers
Q: How does deforestation affect the oxygen
2 answers
Q: What is the pH of 10-4 M HCI solution
2 answers
Q: What quantitative information is revealed by a chemical equation
1 answer
Q: What are the molecules on the left side of a chemical equation calle
2 answers
Q: How does oxygen get from the air to cells of the fetus
2 answers
Q: What does the candle react to in a jar
1 answer
Q: What is the boiling point (in degrees Celsius ) of water
2 answers
Q: What kind of molecules are in gases
2 answers
Q: What is the coefficient for Cl2
5 answers
Q: What is formed when an acid is neutralized by a hydroxide
1 answer
Q: Why are most element solid at room temperature
2 answers
Q: What happens to the ice molecules when it melted
1 answer
Q: Is there any oxygen on Saturn
1 answer
Q: What kind of sand is used to make glass
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Q: Which is not an example of an energy resource oil gasoline limestone coal
1 answer
Q: What is hydrogen's lustre
1 answer
Q: What is the name of a substance that is sour in taste and also turns your litmus paper red
2 answers
Q: When drawing blood by the Vacationer method it is important to fill the tubes in the recommended order. which tube would be filled first
2 answers
Q: Is ammonia cleaning fluid acidic
2 answers
Q: What are three examples of common materials with a pH of more than seven
1 answer
Q: What is a charge on a oxygen atom
1 answer
Q: Is MgBr an acid
2 answers
Q: Is plaster of Paris organic or inorganic
1 answer
Q: What class of elements form covalent compounds
2 answers
Q: How many moles are present in 140.g of Cacl2
3 answers
Q: Is actinosphaerium auto or hetero or mixotrophic
10 answers
Q: How many oxygen atoms are there in 3.45 grams of H2O
2 answers
Q: What is the proportion by mass of hydrogen to oxygen in hydrogen peroxide
1 answer
Q: What type of bond will form between N and N
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Q: Does opal have a smell
2 answers
Q: Are strong bases more concentrated than a weak bases
1 answer
Q: What are alternatives to limestone
1 answer
Q: What colour universal indicator turns to a neutral
1 answer
Q: What technique would separate a solution with many components
5 answers
Q: Can tin foil be recycled
1 answer
Q: What degrees are equal to 273 K in Celsius and Fahrenheit
4 answers
Q: What mixture is made mainly from iron
3 answers
Q: Is KI ionic covalent or metallic
2 answers
Q: What is main fractions of crude oil
1 answer
Q: How temperature effects the titration
2 answers
Q: How many electrons does carbon need to satisfy the octet rule
5 answers
Q: How do we judge whether milk ghee butter etc are pure when we buy
2 answers
Q: What is the pOH of a solution whos OH- is 9.31 x 10-2 M
5 answers
Q: Is starch an organic compound
10 answers
Q: Why is it advisable to wear cotton and not synthetic cloths while bursting crackers
1 answer
Q: What is the charge of bromide ion
2 answers
Q: How much does one human molar weigh
1 answer
Q: How would you obtain pure crystals of calcium chloride
1 answer
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