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How can you use metal oxides to distinguish strong acid from weak acid?
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How does the acid-base nature of the oxides in the period 3 change with the increasing atomic number?
basic metal oxides change to acidic non-metal oxides
What method is used to find out if a substance is metal or non-metal?
To find out whether a substance is a metal, its electrical conductivity, and the acid-base character of its oxides are researched.
Are dust particles a cause of acid rain?
No. Acid rain is the result of nitrogen oxides and sulfur oxides put into the atmosphere by volcanoes and the burning of fossil fuels.
What reaction causes aqueous solutions of alkali metal carbonates to be basic?
They are formed from a weak acid, carbonic acid and a strong base.
What things corrode metal?
Corrosion of metal is caused by oxygen or oxidising substances, salty water and some medium strong acids
Why metal oxide are amphoteric in nature?
according to acid base definations base is such thing which accept proton easily.in metal oxides ,metal has ability to give proton and oxygen has ability to accept it.both are strong conjugat acid and base.so the metal oxides are amphoteric in nature.
How does the acid-base nature of the oxides in the period 3 change with the increasing atomic number?
basic metal oxides change to acidic non-metal oxides
What does strong acid plus metal acetate give?
Strong acid + metal acetate --> acetic acid (weak acid) + metal salt (of the strong acid)
Is metal oxide is a base?
Yes, certain metal oxides, mostly from the middle groups of the transition metals are acidic. Chromium and rhenium, for example, both form oxides which are acidic in water.
What is the pH of element oxides in water in group 7?
Halogen oxides are acid forming, most of which are strong
When copper reacts with oxygen is the acid formed a acid or a base?
Cuprous and cupric oxide are base forming oxides, only nonmetals can have acidic oxides, though some other metal (amphoteric) oxides are also (mainly weak) acid forming oxides.
Which type of oxide is formed when metals combine with oxygen?
Metal oxides form alkalis when they dissolve in water. Non-metal oxides for acids. For example: carbon dioxide + water --> carbonic acid magnesium oxide + water --> magnesium hydroxide
What is the word equation for the reaction between acids and metal oxides?
acid + metal oxide --> salt + water
Is NaI acidic neutral or basic?
sodium oxide, Na2O, is basic. This is because it is a metal oxide. Metal oxides tend to be basic while non metal oxides tend to be acidic.
Are non metal oxides basic?
No. Carbon dioxide when in water makes carbonic acid. Sulfur oxides, there are several, can form sulfuric acid, sulfurous acid, and more. Nitrogen oxides, several those also, form nitric acid, nitrous acid, etc. Hydrogen oxide, water, is neutral.
Why hydrogen is not evolved when a metal react with nitric acid?
Nitric acid is a strong oxidizing agent and its molecule is unstable as compare to nitrogen oxides, on reacting with metals it gives hydrogen and oxygen both so water is produced instead of hydrogen.
If calcium reacts with oxygen is the oxide formed an acid or base?
Calcium oxide is definitely a base forming oxide, only nonmetals can have acidic oxides, though some other metal (amphoteric) oxides are also (mainly weak) acid forming oxides.
