Sulfuric acid, hydrochloric acid, and nitric acid are some of the common strong acids. Acids have several properties. They turn blue litmus paper red. They react with metals to produce hydrogen gas. For instance
2) Acids can corrode (or eat away at) metals and skin. 3) Acids can be used as a reactant during electrolysis. 4) Acids will turn blue litmus paper red. What is a Base? A base (in chemistry) means having a pH (on the pH scale) of 8-14.It is a substance that can accept pr...
Bases change the colour of red litmus to blue.Q.2. What are acid and base?Ans: An acid is defined as a substance which gives out hydrogen ions when dissolved in water.’ Acids are substances that taste sour and turn blue litmus paper into red.A base is defined as a substance which ...
Ans:Litmus paper may be used to distinguish between acids and bases. When a drop of solution is put to litmus paper, it turns red, indicating that it is an acid. If the litmus paper turns blue, it’s most likely a base. Q.3. What are the five properties of acids and bases? Ans:...
Zinc and lead metal will produce hydrogen gas when they react with alkalies. They are called as amphoteric metals.Question 7: What will be the colour of a blue litmus paper on bringing it in contact with a drop of dil. hydrochloric acid? Answer: The blue litmus paper turns red when it...
Where is litmus used? The main use of litmus is totest whether a solution is acidic or basic. Light-blue litmus paper turns red under acidic conditions, and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °...
AcidBase Turns blue litmus paper to red Turns red litmus paper to blue. Presence of hydrogen ions Presence of hydroxide ions.Answer and Explanation: What does pH measure? The pH measures if a substance is a base or an acid. The pH scale can detect whether an acid is stro...
bitter taste, slippery feel, blue litmus paper result, pH more than 7 why do changes of pH occur? the balance of H+ and OH- Arrhenius -Acids produce H+ -Bases produce OH- -neutralization is the reaction between OH- and H+ to form water ...
What colour does red litmus paper turn in alkali? Blue A salt A substance formed when all the replaceable hydrogen ions of an acid are replaced my metal ions Sulphuric acid formula Hydrochloric acid formula Nitric acid formula Sodium hydroxide Potassium hydroxide Calcium hydroxide How to make a sa...
Bases are bitter in taste and are found in food less frequently than acids. Many of the bases are slippery in texture like that of soaps. It also changes the colour of the indicator. The litmus paper turns blue in the presence of base while it turns phenolphthalein into pink. ...