Advertisements
Advertisements
प्रश्न
A reaction between an acid and a base is called ______.
Advertisements
उत्तर
A reaction between an acid and a base is called Neutralization.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
A catalyst either ................or ............... the rate of a chemical change but itself remains ............... at the end of the reaction.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.
Give a chemical test to distinguish between the following gases.
H2 and CO2
Give a chemical test to distinguish between the following gases.
NH3 and HCl
Write your observation and a balanced equation in the case of the following substances being heated.
Copper carbonate.
A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?
Chemical change is a temporary change.
What is the use of indicator?
The simplest method of preventing rusting of iron is to coat it with oil, grease, or paint. The reason being ______.
Both CO2 and H2 gases are ______.
