What keeps your cells healthy? Antioxidants — such as vitamins C and E and carotenoids, which include beta-carotene, lycopene and lutein — help protect healthy cells from damage caused by free radicals. What vitamin helps skin heal? Vitamin C, also known as ascorbic acid, is required for the synthesis of collagen. It is also a […]
What is the rarest animal in the world?
What is the rarest animal in the world? Vaquita Which animal has lowest population? With a population of fewer than 300 individuals, the vaquita porpoise (Phocoena sinusis) is the world’s smallest and most endangered cetacean, a group of marine mammals that includes whales, dolphins and porpoises. Which animals will be extinct soon? Top 10 Most […]
What happens to RF values when you change solvents?
What happens to RF values when you change solvents? The eluting power of solvents increases with polarity. Non-polar compounds move up the plate most rapidly (higher Rf value), whereas polar substances travel up the TLC plate slowly or not at all (lower Rf value). Why RF values are different? The larger an Rf of a […]
What are the 14 parts of a plant cell?
What are the 14 parts of a plant cell? Plant Cell Structure Cell Wall. It is a rigid layer which is composed of cellulose, glycoproteins, lignin, pectin and hemicellulose. Cell membrane. It is the semi-permeable membrane that is present within the cell wall. Nucleus. Plastids. Central Vacuole. Golgi Apparatus. Ribosomes. Mitochondria. What are the major […]
What are the 3 types of compound words?
What are the 3 types of compound words? Compound words can be written in three ways: as open compounds (spelled as two words, e.g., ice cream), closed compounds (joined to form a single word, e.g., doorknob), or hyphenated compounds (two words joined by a hyphen, e.g., long-term). Sometimes, more than two words can form a […]
What is flux give example?
What is flux give example? Flux is a chemical purifying agent, flowing agent or cleaning agent. Some examples of flux include: Ammonium chloride. Zinc chloride. Hydrochloric acid. What are types of flux? Types of Flux Magnetic Flux. It means the number magnetic field lines passing through a closed surface. Electric Flux. It means the number […]
Did Archimedes invent pi?
Did Archimedes invent pi? The Egyptians calculated the area of a circle by a formula that gave the approximate value of 3.1605 for π. The first calculation of π was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world. How many element has P A If a? We […]
Which element has the highest most positive electron affinity?
Which element has the highest most positive electron affinity? Chlorine What has the lowest electron affinity? mercury What three factors determine the electron affinity? Electron affinity mainly depend on three factors. They are, Atomic size. Nuclear charge. Which one N or O has more electron affinity and why? Answer. Answer: Oxygen has more electron affinity […]
What are the two main types of chemicals?
What are the two main types of chemicals? Chemical compounds can generally be classified into two broad groups: molecular compounds and ionic compounds. Molecular compounds involve atoms joined by covalent bonds and can be represented by a variety of formulas. How are covalent bond used in everyday life? COOKING GAS OR PROPANE – it is […]
Why the Colour of oxygen cylinder is black?
Why the Colour of oxygen cylinder is black? Upper curved part of the cylinder is known as shoulder and the lower as the body. Different color combinations of shoulder and body are used for different gases. Color codes of gas cylinders may differ from country to country….Color Codes for the Gas Cylinders in Pharmaceuticals. S. […]