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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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Questions

Q: Are potash and soda ash the same

Q: By what two characteristics are all the elements of the periodic table placed in a particular row and column

Q: What is the valency of sulphuric acid

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Q: How many element form compound nh4cl

Q: How many cl are in a gram

Q: Which group of elements does not tend to form ions at all

Q: What is the electron configuration of the oxide ion O 2

Q: What type of bond is C3H8

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Q: What does CH18K mean on a bracelet

Q: What element has 121 electrons and can be found in the same group as Zinc

Q: Is nitrous oxide a element

Q: How many molecules are in P2O5

Q: Why can't you pour bleach directly onto clothes

Q: Is rain water high alkaline

Q: What is a compound word for ''below the surface

Q: How many atoms of oxygen are present in ozone

Q: Are all alkenes gases

Q: What is the name for the covalently bonded P2O5 molecule

Q: Is Ammonia a covalent hydride

Q: Why liquids and solids cannot be compressed as gases can

Q: What is the oxidation number of O in the formula KNO3

Q: Holds test tubes while heating

Q: What is the molecular shape for CHI3

Q: What elements make aluminium nitrate

Q: Is febr3 binary ionic or ionic with polyatomic ion

Q: Is H2O and O3 considered molecules

Q: The H2SO4 plus 2NaOH too Na2SO4 plus 2H2O what is this type of reaction

Q: Is fluorine an alkali

Q: What does alkali smell like

Q: Why do you need to stir the acetamide in the boiling tube

Q: How many moles of Cu in 2 grams of CuSO4.5H2O

Q: Where is the most of the volume of an atom found at

Q: What happens if you mix 20 volume creme developer with 30 volume creme developer

Q: Can you buy epsom salt with food stamps

Q: Why hasn't Aaron Neville have that mole removed from above his right eye it's gotten so much bigger

Q: Is magnesium stable or unstable

Q: How do you remove dried blood from hair

Q: What is the pH of a 0.04 M KOH solution

Q: Why does zinc hydroxide dissolve in excess dilute sodium hydroxide

Q: What minerals will fizz in contact with hydrochloride acid

Q: Is acetone an end product of fermentation

Q: How can you destroy a diamond

Q: What is the coefficient for H20 when the following equation is balanced K plus H20 plus KOH plus H2

Q: 5h2 what is the coefficient of h2

Q: Benzoic acid gives an orange colouration with neutral ferric chloride. What is the reason for that

Q: How many joules of heat are released when 50 grams of water are cooled from 70. to 60.

Q: What is the action of litmus on dry ammonia and solution of ammonia gas

Q: Why did the alcohol turned green when the leaf was put into it

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