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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: Can sieving method be used to separate iodine crystals and iron filling
2 answers
Q: What one of these has the highest density Mercury or wax
2 answers
Q: What is the purpose or importance of working with a lit Bunsen burner
2 answers
Q: What is homologous series give example give an example of positional isomer
1 answer
Q: What does acid form in water
2 answers
Q: Does an acid form hydrogen ions in water
2 answers
Q: What is a creative name for phases of matter
1 answer
Q: What is a substance that lowers the rate at which enzyme catalyzes a reaction but doesn't bind to the active site
1 answer
Q: What conclusion can be drawn from the statement that an element has high electron affinity high electronegativity and a high ionization energy
2 answers
Q: Which is it an example of
2 answers
Q: How can a saturated solution of a solid be made unsaturated
8 answers
Q: Where does the name phosphorus come from
1 answer
Q: Is conductivity a physical or chemical property of matter
2 answers
Q: What ion makes sulfuric acid
1 answer
Q: What is purpose of using symbols
3 answers
Q: Why Is a candle burning a endothermic
1 answer
Q: Why do we need to balance chemical equations and reactions
1 answer
Q: Most salts are healthy for human consumption true or false
1 answer
Q: Are most salts are healthy for human consumption
2 answers
Q: Which type of bonding would be expected between S and CI
1 answer
Q: What is the difference of particles and molecules
2 answers
Q: What removes toxic substances from a cell
1 answer
Q: What are non examples of physical change
5 answers
Q: Which pair of element can form an ionic compound
1 answer
Q: What happens when you Light plastic on fire
1 answer
Q: Which biomolecule contains carbon hydrogen and oxygen
1 answer
Q: What do pH and poh add up to at 25 degrees c
1 answer
Q: What is the change of state does melting change from
2 answers
Q: Who invented blistex and what year was blistex invented in
1 answer
Q: Why are some salts still acidic or basic
1 answer
Q: Why is aluminum a suitable material to use in making cans based on its physical and chemical properties
2 answers
Q: What process is used to remove unwanted elements from the freshly mined iron ore
1 answer
Q: Is metallic bonding between metals or non metals
3 answers
Q: What minerals are used for making jewelry decoration mechanical parts and abrasives
1 answer
Q: Why was sugar found in a experiment were there was starch Silva and water
1 answer
Q: What happens when potassium reacts with chlorine to produce potassium chloride
1 answer
Q: What best describes how an ionci bond forms
1 answer
Q: How does the pH an nutrients affect barley
1 answer
Q: Why factories make a vast quantity of sodium hydroxide
2 answers
Q: How much mines are in action today except gold
2 answers
Q: What percent of the air consists of nitrogen gas
2 answers
Q: Hey I was wondering if anyone can help me with this 25cm3 of 0.2mol dm-3 NaOH reacts with 11.2cm3 of H2SO4. Calculate the concentration of the sulphuric acid. Thank you x
1 answer
Q: What Is the bond for C2Br4
1 answer
Q: How much did the raw diamond weigh in milligrams
2 answers
Q: Can water be used to remove stains of permanent markers
2 answers
Q: Does coal react with HCI
1 answer
Q: What is KCI formula
6 answers
Q: Is the balanced equation for V2O5 CaS CaO V2S5
1 answer
Q: What is a popular name for acid mixture capable of dissloving gold
1 answer
Q: What other types of controls would be useful to increase reliability of the phenylalanine Deaminase test
1 answer
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