Write a brief summary of what happens when potassium hydroxide is added to aluminum foil

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Q: How does the product look like when Aluminum is reacted with copper 2 hydroxide?

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Q: Name the sodium compound which is used for softening hard water.

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Q: Although there are energetically advantages in recycling aluminum Discuss the belief that secondary…

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Q: When conducting the electrolysis of water, two gases are formed.  Which of the statement is false?…

A: Electrolysis is a process in which electrical energy is converted to chemical energy.

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Q: What are the benefits of the process of Gas reburning ?

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Q: 1. Graphene oxide is not a carbon nanomaterial.

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Q: Write a balanced equation for the reaction Calcium reacts with iodine.

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Q: Name four oxides of nitrogen

A: A question to name four oxides of Nitrogen.

Q: Write a brief summary of why the dissolved aluminum foil is filtered prior to adding sulfuric acid.

A: Aluminum foil is filtered before the addition of sulphuric acid. This process takes place during the…

Q: Which toxic substance is often used to extract gold and results in harmful environmental effects?

A: Metallurgy :- The extraction of metals from their minerals by applying different techniques is known…

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Q: Compare and contrast electrolytic materials and metallic materials, and explain how each relates to…

A: Given: We have to describe the difference between electrolytic and metallic material.

Q: How can slaked lime be mixed with a percentage of the water produced to form potassium hydroxide

A: Given that -  Reactant = slaked lime , Ca(OH)2 Product = potassium hydroxide , KOH    If water…

Q: e. The sample of potassium is then reacted with hydrochloric acid (metal + acid). Draw a BONDING…

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Q: Identify 3 composite materials that uses metallic bonding.

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Q: Write the experimental protocol as well as the measures to be taken in the experiment to demonstrate…

A: Rusting is an oxidation process so it requires both water and air to cause rusting of irom…

Q: Describe how nitrogen can be separated from the other components of air.

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Q: How do you measure the amount of heavy metals concentration in soil?

A: Heavy metals refer to any metallic chemical element that has a relatively high density and is toxic…

Q: Which substance CANNOT decolorize bromine water? Substance A Substance B O Substance C O Substance D

A: Organic chemistry is branch of chemistry in which organic reactant react to form organic products.

Q: Write the chemical formula for: Bromine (Br) and Oxygen (O) Use the CRISSCROSS METHOD and SHOW YOUR…

A: The formula of the chemical compound is formed by the criss-cross method. In criss-cross method, the…

Q: what parts of the earth make up the Lithosphere?

A: lithosphere

Q: What are the three main ingredients (compounds) that are used in the manufacture heat resistant…

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Q: Explain how EDTA can be used to clean up a water source contaminated with heavy metals?

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Q: True or False: Nitrogen Oxide is present in automobile exhaust.

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Q: A substance gave a green flame test colour. On heating it produced an acidic gas and another gas…

A: Substance gave a green flame test colour. On heati h it produced an acidic gas and another gas that…

Q: Heating and cooling of iodine, l2. (i) What happened when the iodine was heated in the test-tube?.…

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Q: Explain why the structure of charcoal allows carbon to act as a good filter while the diamond…

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Q: What is Plaster of Paris chemically? How is it prepared? List its two important uses ?

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Q: What is the use of evaporating the solution with concentrated sulfuric acid?

A: Evaporation is process by which substance convert from its liquid state to its gaseous state.

Q: List four metal elements that each individually compose more than 1% of Earth’s crust.

A: The earth’s crust contains many gases, metals, ores or minerals.

Q: A molecule of aluminum fluoride has one aluminum atom. How many fluorine atoms are present? Please…

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Q: 1. How is the crystal formed? 2. Is it beneficial or harmful to man or both? Discuss how it is…

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Q: Explain why fine particles of activated charcoal can absorb more (as a filter) than large briquettes…

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Q: What is the key component for Nitrogen

A: The key component of nitrogen

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Q: which properties of aluminum might concern you if you had to use the aluminum tableware that…

A: Aluminum has a very high affinity to oxygen. When a new aluminum surface is exposed in the presence…

Q: Why should a magnesium ribbon be cleaned before burning in air?

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Q: <p>List the properties of copper that make it appropriate for electric wires and the…

A: Copper is widely used in our daily lives for making electric wires and water pipes.This is because…

Q: What is added to molten iron to make steel? * O A small amounts of carbon B limestone and coke C…

A: Blast furnace is a large cylindrical object made up of the heated bricks which is used for the steel…