Most oxides of non-metals are soluble. When they dissolve in water they form acids. Compounds so formed are known as ionic compounds. Some metals react with water to form metal hydroxide whereas some of them do not react. Not all non-metal oxides are dioxides, as the following examples show. The picture list 3 non-metal oxides and 3 acidic solutions. Ions are formed because of loss or gain of electrons. Reaction of non-metals with oxygen If a non-metal takes part in a chemical reaction with oxygen it forms an oxide. So nitric acid can emit hydrogen gas with metals. You may want to ask if water (H 2 O) is a non-metal oxide. Zn + H 2 O ⇨ ZnO + H 2. The reactivity of the metal determines which reactions the metal participates in. This is important in highlighting how the non-metals in different groups react differently with oxygen. As an acid, Due to release of H+ ions in the water, nitric acid show acidic properties and have low pH values in aqueous solutions. They react with water to form alkalis such as sodium hydroxide and potassium hydroxide. Non-metal oxides when reacting with water form acids with pH values less than 7. Zinc does not react with cold water. Reaction of Sulfur with Oxygen Sulfur burns with a blue flame Sulfur + oxygen → sulfur dioxide sulfur dioxide + water → sulfuric acid 2Na + 2H 2 O → 2NaOH + H 2 . Calcium also reacts with water to form calcium hydroxide and hydrogen. Metals can react with water, acid and oxygen. Reaction of Metal and Non-metal Many metals form ionic bonds when they react with non-metals. Sodium reacts violently with cold water to form sodium hydroxide along with hydrogen gas. Reaction with Water. A large amount of heat is evolved in this reaction, which results in hydrogen catching fire. Ions: Positive or negative charged atoms are known as ions. Reaction of zinc metal with water: Zinc metal produces zinc oxide and hydrogen gas when steam is passed over it. Filed Under: Class 10, Metals and Non-metals Tagged With: reaction of metals with water About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of … Point out that hydrogen (H) is a non-metal and that water should be a non-metal oxide. Metals like copper, silver, and gold do not react with water under any conditions. No, because it contains only one oxygen. Reaction of Iron with water: Reaction of iron with cold water is very slow and come into notice after a long time. Metals Most metals react with water to produce a metal hydroxide or metal oxide and hydrogen gas. Metals like sodium and potassium are highly reactive. Is it a dioxide? Iron forms rust (iron oxide) when reacts with moisture present in atmosphere. 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