Titanium has four valence electrons. The atomic number of titanium is 22 and belongs to the transition metal group. Valence is the number of... View Article
Answer: C.G implies centre of gravity. The centre of gravity is a theoretical point in the body where the body's total weight is concentrated.... View Article
Answer: In 1932, J. Chadwick discovered neutrons, the neutral particles found in an atom. An experiment was performed by the physicist James... View Article
Amorphous solids are isotropic because they have no long-range order. Isotropy comes from the Greek words isos (equal) and tropos (way) and... View Article
Both cardiac and skeletal muscles have striations. There are two types of striated muscles: Cardiac muscle (heart muscle ) Muscle fibers... View Article
Non-polar solutes dissolve in non-polar solvents. Naphthalene is a nonpolar compound. Thus, it is insoluble in highly polar solvents like... View Article
J.C. Bose discovered the ultra-short radio waves A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows... View Article
Phylum Mollusca has a reduced coelomic cavity. Mollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living... View Article
The cryoscopic constant is denoted by kf It is the depression of the freezing point of the solvent produced on dissolving one mole of a... View Article
Birth control, also known as contraception, is designed to prevent pregnancy. A patient's choice of the contraceptive method involves efficacy,... View Article
Answer: The stem is the portion of the plant that sits above the ground. Tree bark is grey in colour, and younger stems are coloured green. It... View Article
Answer: CH2=CH2 + H2 →CH3- CH3 Unsaturated hydrocarbons add hydrogen in the presence of catalysts such as palladium or nickel to give saturated... View Article
Taproot system, leaves with reticulate venation, seeds with two cotyledons and enclosed in fruit are characteristic features of dicotyledons... View Article
The elements which readily lose the electron act as a strong reducing agent. Na is the strongest reducing agent, while Cl- is the weakest... View Article
It applies to all bodies in the universe because Newton's law of gravity is a universal law. Newton’s universal law of gravitation states that... View Article
Enzymes, vitamins and hormones, all help in regulating different metabolic processes in the body. Vitamins are organic compounds required by... View Article
In bat, skin folds are stretched between the elongated fingers and serve the purpose of wings. Bat wings are made of two thin layers of skin... View Article