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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: The monomer unit of perspex is
6 answers
Q: What is a substance that turns blue in the presence of a base starts with r
1 answer
Q: A sample of H2O with a mass of 46.0 grams has a temperature of -58.0 Celsius. how many joules of energy are necessary to heat the ice to 0 Celsius use 2.1 joules for the specific heat of ice
6 answers
Q: How many atoms of calcium are in 1.00 gram
2 answers
Q: What substance are tacos
2 answers
Q: What is the abbreviation of the element's name called
2 answers
Q: What substance is apple pie
2 answers
Q: A column of elements are called a group or what
2 answers
Q: What substance is caesar salad
1 answer
Q: What is the minimum distance a flammable storage locker is required to be from an explosive location
2 answers
Q: What is the difference between false set and flash set of cement
2 answers
Q: Does baking soda neutralize a base
1 answer
Q: What are the Safety precautions observed during electrolysis of brine
1 answer
Q: Did the evidence obtained in the silver nitrate tests of the 3 solutions prove conclusively that the residue actually was potassium chloride
1 answer
Q: Non metal on the left hand side of the periodic table
9 answers
Q: What happens when you drop food colouring in room temperature water
2 answers
Q: What stuff makes things happen
2 answers
Q: Iron plus sulfur gives what
2 answers
Q: Is copper metal turning green on exposure to air and water a physical or chemical change
9 answers
Q: What is the formula for nickel(II) borate
1 answer
Q: How can you separate sand table salt iron fillings and naphthalene
4 answers
Q: A simple sugar that cannot be hydrolysed to smaller units
2 answers
Q: What happens if sodium gets in your eyes
2 answers
Q: Is rubbing alcohol that evaporates on your hand a physical change
5 answers
Q: What would also increase if the temperature of water increases
1 answer
Q: Which process can bring about chemical weathering
1 answer
Q: 1. Symptoms of sodium imbalances are primarily manifested through alterations in which organ
1 answer
Q: The repeating pattern of a mineral and acirc and 128 and 153s particles forms a solid called a(n)
1 answer
Q: Which best describes how scientists found insulin
1 answer
Q: What happens to water as the clothes dried
2 answers
Q: 113 g of citric acid is equal to how many cups
1 answer
Q: Does copper absorb heat and expel it much efficiently better than any other metal explain your answer and what metal offer that if not
2 answers
Q: How are silicon and carbon different
1 answer
Q: At what temperature is 120 g of sodium nitrate soluble in 100 mL of water
1 answer
Q: What is 375 degrees Fahrenheit
2 answers
Q: C3H8 plus 5O2 gives 3 CO2 plus 4H2O plus energy What are the products in this chemical reaction
2 answers
Q: A combination reaction occurs when two or more reactants form one product. A.True B.False
2 answers
Q: What Is the difference between cola and water
2 answers
Q: What is the difference between inactivated sodium channels and closed sodium channels
2 answers
Q: Is silicon a group 4 element
2 answers
Q: Gases become more soluble in water when which of these is increased
5 answers
Q: Explain why the reaction of an acid with some metals can be dangerous
3 answers
Q: What is the systematic name of I4O9
5 answers
Q: A substance that ionizes into ions when placed in water is what
1 answer
Q: What is the role of glycogen in the lactic acid system
1 answer
Q: How many electrons does potassium need to gain or lose to become stable
1 answer
Q: Which term describes the units that make up substances involved in ionic bonding
1 answer
Q: What is the importance of minerals in human life
1 answer
Q: What is the function of lipids in detergents or soap
1 answer
Q: What is the state of sodium at 25 degrees Celsius
1 answer
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