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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 tests would you use to confirm the presence of Na3PO4
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Q: Is they any side affects taking sodium bicarbonate
1 answer
Q: If you become contaminated with chemical agents decontaminate by processing through
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Q: Is window cleaner a acid or alkaline
1 answer
Q: Is Pb(NO3)2 2KI PbI2 2KNO3 neutralisation or precipitation
3 answers
Q: How long should you fast before a lipid test
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Q: Is nitrogen trichloride covalent or ionic
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Q: How do you treat victim of cold water immersion
2 answers
Q: Is it dangerous to have a high level of Creatine in urine
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Q: What best describes how an ionic bond forms
2 answers
Q: Why sodium is softer than lithium
1 answer
Q: Is oxide acidic radical
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Q: Why is compass casing made of brass or aluminium
2 answers
Q: Which of the following best describes what happens when two atoms with a very large differences in electronegativity interact
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Q: What is difference between liquifaction and condensation
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Q: What does glassy mean
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Q: Why are diamond considered as very valuable gems
1 answer
Q: The reactants from the burning of fossil fuels are shown below what are the what are the products of this reaction fossil fuel plus oxygen goes to what
1 answer
Q: What belongs in the blank space of the following chemical equation for the burning of fossil fuels fossil fuels plus blank carbon dioxide water Heat
1 answer
Q: Which sentence correctly uses commas to separate items in a list The deacidification process preserves pages by neutralizing acid with magnesium oxide raising the pH level of the paper and minimiz
1 answer
Q: Is a ring real gold if it has nv g stamped on the inside
1 answer
Q: Appropriate concentration for iodine sanitizer is
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Q: What is a colorless reactive gas produces when fuels such as coal and oil are burned
1 answer
Q: How many covalent bonds does boron and aluminum form
1 answer
Q: What mixture is defined as a mixture of various sizes and liquid droplets in the air
2 answers
Q: What is composed of a single central nucleus
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Q: Why do we dip the leaf in water before adding the iodine solution
1 answer
Q: What is an abstract noun for bond
1 answer
Q: What is plastic sulphur and why is it elastic
3 answers
Q: Why is oxalic acid is classified as a weak acid
1 answer
Q: How many deaths a year is caused by pollution
1 answer
Q: Which trace element is essential to human
3 answers
Q: What are the features of polonium
1 answer
Q: What happens to the oxygen as it enters the nose
1 answer
Q: What is a group of bond-paper called
1 answer
Q: What is the oxidation state for rubidium
2 answers
Q: What reacts with catalyse
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Q: What state is lithium at 100 degrees Celsius
1 answer
Q: How many tespoon of sugar have you added until the sugar no longer dissolve
2 answers
Q: What is the meaning of harmful and useful materials
1 answer
Q: How will you describe the sequence of oxygen carbon-dioxide and blood flow
2 answers
Q: How many electrons are PHOSPHATE -3 ION
1 answer
Q: When do we say that a solution is concentrated
2 answers
Q: What is evendence that a solution is saturated
2 answers
Q: What is group 12 on the periodic table called
3 answers
Q: What is relationship between active mass and rate of reaction
3 answers
Q: What is D 6 virgin fuel oil
1 answer
Q: Which net ionic equation describes the reaction between K3PO4(aq) when it is mixed with Al(NO3)3(aq)
1 answer
Q: What member of the community is the most important in recycling elements
1 answer
Q: What is the number of valence electrons for the elements in group 1
6 answers
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