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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: Is testing stones with acid to see if they are marble a chemical change
2 answers
Q: Do non metals have a wide range of chemical properties
4 answers
Q: Why compounds can not be broken down inti its constituent element by physical mrthod
1 answer
Q: Why did iron and steel become cheaper in the 18th century
1 answer
Q: Why compounds are represented in a formula unit
2 answers
Q: What is the difference between quick lime and lime water
2 answers
Q: What is the difference of soda lime and lime water
1 answer
Q: Why ionic compounds do not exist in independent molecular form
1 answer
Q: Why do elements in group 4A do not form ionic bonds
2 answers
Q: What elements are in calcium carbide
2 answers
Q: What happens when sodium hydroxide (NaOH) reacts with hydrochloric acid (HCI)
1 answer
Q: What is the reaction of p nitrophenol with hydrochloric acid
1 answer
Q: Why potassium iodide added in excess
1 answer
Q: Why potassium iodide is added in excess
1 answer
Q: What gas is formed when silverbackium reacts with nitric acid
1 answer
Q: What concentration of oxygen should be used during resuscitation of newborn
1 answer
Q: Is americium used in nuclear weapons
1 answer
Q: What does a number on the pH scale say about a solution
2 answers
Q: Where is bromine in drilling
1 answer
Q: Why are group 7 elements used in refrigerators
1 answer
Q: Is boiling point of water extensive or intensive property
1 answer
Q: Why is the use of pesticides a complex issue
1 answer
Q: What are some properties exhibited by ionic compounds tested in the simulation and shown the data table
1 answer
Q: Is dawn dish soap ok to use on clothes
2 answers
Q: Can I use DAWN for LAUNDRY DETERGENT
1 answer
Q: What elements emit alpha beta and gamma rays
3 answers
Q: It takes 3 minutes for a kettle to boil 1 litre of water how many minutes will it take a kettle to boil 1 and half litres of water
2 answers
Q: What mass of hydrogen is needed to react with 40g of copper oxide CuO plus H2-- Cu plus H20
1 answer
Q: Is the reaction between sodium hydroxide and benzoic acid exothermic
2 answers
Q: What is the name for liquid into a solid
2 answers
Q: What are limitation of using autoclave
1 answer
Q: How can you make distilled water into conductor
3 answers
Q: What is the product of oxidation of D-talose
1 answer
Q: How many molecules are in 0.0650 mol NH3
5 answers
Q: Is CCl4 soluble in cyclohexane
5 answers
Q: What type of reaction occurs and how does the mass of the object after rusting compare with its original mass
2 answers
Q: What happen between soda and Sandy
1 answer
Q: What are the two reasons that soap is environmentally less harmful than ABS surfactant used in detergaent
1 answer
Q: How much does a 5 gallon bucket full of methamphetamine weigh
1 answer
Q: What is the difference between an MSDS and an sds
1 answer
Q: Is chalk covalent or ionic
1 answer
Q: Is copper 2 sulfate a liquid
2 answers
Q: What happens when the two hazardous elements potassium and chlorine are combined
2 answers
Q: What does the presence of a polar covalent bond show about the electronegativities of its atoms
2 answers
Q: Is iodine toxic
2 answers
Q: What is the function of sodium nitrite in the total flavonoids assessment test using aluminium chloride
1 answer
Q: Why are most polymers solid at room temperature
1 answer
Q: How would you decrease the concentration of a cordial drink
3 answers
Q: Why red colour is described as hearts desire
1 answer
Q: Is Evaporation and condensation are both a type of vaporization
1 answer
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