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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 color does silver and blue make mixed together
2 answers
Q: How is rocks extracted
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Q: What is dissociation of compounds like water aluminum sulfate sodium hydroxide
2 answers
Q: What is the compound name for c2
2 answers
Q: What is the word equation for the reaction of sulfuric acid and sodium hydroxide
1 answer
Q: Why is ammonia classified as a base according to the brokered Lowry definition
1 answer
Q: What is the pH of mocha coffee
1 answer
Q: How do you neutralize HCl acid
1 answer
Q: Why to gold particles fall to the bottom of the pan when panning for gold
1 answer
Q: What do plants use energy from the Sun to transform carbon dioxide from the air into
1 answer
Q: How much is half a tin in grams
1 answer
Q: What careers involve radioisotope
1 answer
Q: What is the equation for reaction between sodium hydroxide and sodium carbonate
1 answer
Q: What law of mass describes when mass of products and reactants is equal
2 answers
Q: Is ground nut oil soluble in water
1 answer
Q: What is complexation
3 answers
Q: What is lemon soda
2 answers
Q: When sodium hydroxide is dissolved in water the temperature of water increases dissolving of sodium hydroxide
1 answer
Q: What is the formula of Nitrogen hydroxide
1 answer
Q: Why medicines are prepared in different forms
1 answer
Q: What percentage water are humans made of
1 answer
Q: How much does a wood chip weigh
1 answer
Q: What is the density of 24g
2 answers
Q: Who invented the world's first ammonia free hair-color
1 answer
Q: How the reactivity of elements changes as you move across the periodic table
4 answers
Q: Why does copper chloride change colour when heated
1 answer
Q: What would happen if organisms could not obtain oxygen
1 answer
Q: What type of ion might sodium form Justify your answer.
1 answer
Q: What does 825 mean on a silver chain
1 answer
Q: What is a larger atom potassium and argon
1 answer
Q: What does a chloride ion have that a chlorine atom does not
2 answers
Q: What particles are present in a crystal
1 answer
Q: How are copper iron and salt related
1 answer
Q: Why is it necessary to determine if a reactant is a limiting reagent reaction
2 answers
Q: What signs of a reaction are there between iron and copper oxide
1 answer
Q: What is the density of gallium if aluminium has a density of 2.70 gcm3 and Boron has a density of 2.08 gcm3
1 answer
Q: What is a Aluminum and iodine bond
1 answer
Q: What is different about what happens to a weak acid molecule and what happens to a strong acid molecule
2 answers
Q: What element has a mass number of 21 and an atomic number of 10
6 answers
Q: Is finsh rinse aid an acid or alkali
1 answer
Q: What nonmetals are the most chemically reactive
2 answers
Q: What is the chemical reaction for sodium hydroxide and hydrogen phosphate react to form sodium phosphate and water
2 answers
Q: If collisions between gas particles and between particles and container walls were not elastic collisions what would happen to a gas
2 answers
Q: Is dissolving sugar in coffee osmosis
1 answer
Q: How many moles of oxygen gas are needed to make 4 moles of water
11 answers
Q: How many moles of O2 are needed to burn 10 moles of Mg
4 answers
Q: What two types of elements must join a for a covalent bond to occur
1 answer
Q: How many times an atom of sulphur is heavier than an atom of carbon
1 answer
Q: What All minerals share the following characteristics except that of
1 answer
Q: What is the pH level of shampoo
2 answers
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