When electricity is passed through an aqueous solution of sodium chloride it decomposes to form sodium hydroxide. The process is called the... View Article
The maximum number of columns in which they can march = HCF (32, 616) Since 616 > 32, applying Euclid's Division Algorithm we have 616 = 32... View Article
When potassium iodide is treated with ozone , the products formed are iodine, oxygen and potassium hydroxide. Iodine ion is oxidized to iodine... View Article
Aluminium sulphate react with water to produce aluminium hydroxide and sulphuric acid. Aluminium sulphate is White coloured and when hydrolyses... View Article
Collodion is a syrupy solution which contains nitrocellulose along with a mixture of ether and alcohol. There are two basic types: flexible and... View Article
The non - wettability is non -mixing of solute with solvent. For example : A drop of water on paraffin surface get spherical but a drop of water... View Article
Sans-culottes, literally means ‘those without knee breeches’. They were Jacobins who wore particular kind of dress to proclaim the end of power... View Article
Answer: Polyatomic ions are ions that contain more than one atom. Polyatomic ions are created when a number of atoms come together to form a... View Article
The vertical movement of air is called air current. Temperature differences can cause air currents because warmer air is less dense than cooler... View Article
Natural numbers are part of the number system that comprises all the positive integers from 1 to infinity and are often used for the purpose... View Article
Bredigs arc method is applied to obtain colloidal sols of metals like gold, silver and platinum. An electric arc is stuck between the electrodes... View Article
Combustion is always carried out in presence of oxygen or air. Combustion is a type of oxidation . In a combustion reaction oxygen is combined... View Article
Salts are ionic compounds that contain two groups of positively charged ions and negatively charged ions. A salt is defined as the ionic compound... View Article
Silver nitrate solution is used to study (b) Golgi apparatus. The Golgi apparatus is an organelle in eukaryotic cells. It consists of a stack... View Article
The nerve cell does not contain tendons. A tendon is a fibrous connective tissue that attaches muscle to bone. Tendons are situated between bone... View Article
a) Endoplasmic reticular is the transporting channel of the cell as it connects the cell membrane to the nuclear membrane. b) Mitochondria are... View Article
Distance covered by the plane = 1500 km Let the usual speed be S km/hr Let the usual time taken be t hr The plane left 30 minutes late and... View Article
The water domain is referred to as the hydrosphere. The hydrosphere is the combined mass of water on, under, and over the surface of the Earth.... View Article
The alcohol is produced by a process called fermentation. A ripe organic grape is full of natural sugars and there are wild yeasts living on its... View Article
