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
Amphiastral is found in animals in which spindle has two asters, one at each pole of the spindle. Anastral is found in plants in which spindle... View Article
A cylinder is a three-dimensional shape with a curved surface. Thus, we can not find the perimeter for such types of three-dimensional objects.... View Article
Earth's atmosphere comprises about 78% nitrogen, 21% oxygen, and one percent other gases. Earth's atmosphere is divided into five main layers :... View Article
The indented coastline in the Atlantic Ocean means the coastline is ideal for natural harbours and ports. Hence, the Atlantic Ocean is the... View Article
A lysosome is a membrane -bound cell organelle that contains digestive enzymes. They are also known as 'suicide-bags' of cells as they burst out... View Article
Terylene is made by a process of polymerizing ethylene glycol and terephthalic acid. Terylene is extensively used in textile industry to make... View Article
Acetophenone can be converted into benzoic acid as follows Step-1:—Conversion of acetophenone into ethyl benzene. Acetophwnone is reduced... View Article
Answer: Spore formation mainly occurs in non-flowering plants like in fungi, which is a type of asexual reproduction. A thousand spores are... View Article
Golgi bodies are known as the packing and dispatching unit of a cell. It is an organelle found in most eukaryotic cells. The Golgi body appears... View Article