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Which of the following is not a mixture a. pure water b. seawater c. air d. brass?
Answer a. Pure Water is not a mixture - it is a compound. Seawater is a mixture of water and salts, air is a mixture of gases and brass is a mixture (an alloy) of copper and zinc metals.
What is a blend of metals that has properties different from the pure metals?
That is called an alloy.
Why is pure water called 'distilled water'?
Distillation of water (resulting in distilled water) is the best way or purifying water. Since the contaminants in water (ions, metals, microbes) are generally larger than water molecules, when water is evaporated, the contaminants are left behind. The evaporated water can then be condensed as pure water.
Is an alloy a pure substance of mixture?
Mixture. An alloy is a mixture of metals.
What are 5 metals that are pure elements?
Five metals found pure in nature are:copperGoldPlatinumSilver (rarely)Titanium (rarely)There are 93 elemental metals of which platinum, gold, silver, copper, nickel, chromium, iron, aluminum, lead, tungsten, zinc and tin are some of the more commonly known.
Does dry copper carbonate fizz violently when added to pure sulfuric acid?
Yes. The reaction creates copper sulfate, water, and carbon dioxide gas, which escapes as fizz.
Are alkali metals found as pure elements in sea water?
Alkali metals exist only as salts.
What puts the fizz in soda water?
Carbon dioxide gas puts the fizz in soda water.
Why are some metals found as pure metals and some metals are not found as pure metals?
because u have to with some metals make a mixs ture so there
Which of the following is not a mixture a. pure water b. seawater c. air d. brass?
Answer a. Pure Water is not a mixture - it is a compound. Seawater is a mixture of water and salts, air is a mixture of gases and brass is a mixture (an alloy) of copper and zinc metals.
What make soluble in water will fizz when hydrochloric acid is added?
is soluble in water and will fizz when hydrochloric acid is added
What is refining of metals?
Preparation of very pure metals.
Are alkali metals always found pure in nature?
Alkali metals are not found as pure elements in nature.
What will float on pure water?
Objects with a density less than 1 g/cm3 will float on pure water. This includes most types of wood, plastic, and some metals like aluminum.
How are pure metals held together?
Metals have metallic bonds.
How do you make water fizz?
Carbonation.
Does carpeting conduct electricity?
Most metals conduct electricity, as does carpet and most liquids - Pure water doesn't.
