Answer: (1) The compound A contains the same number of carbon as ethane. Number of carbon atom in A compound = 2 When sodium bicarbonate is added... View Article
Answer: Pollen grains are microscopic structures varying in size and structure. Some of them are tiny spheres while others are egg-shaped.... View Article
Answer: Benzene can be converted benzoic acid by following steps. Step 1: Benzene is converted to toluene by Freidel Craft's alkylation... View Article
Answer: (4) Infinite Zeros of a polynomial can be defined as the points where the polynomial becomes zero on the whole. A polynomial having... View Article
Answer: (i) Sodium (Na) is metal which is extremely reactive which reacts with water and produces hydrogen gas. H2 gas catches fire as it... View Article
Answer: Two immiscible liquids, oil and water, can be separated by using Separating Funnel. The mixture of oil and water forms two separate... View Article
Answer: A ruby laser is a solid-state laser that utilizes synthetic ruby crystal as its laser medium. In 1960 Maiman designed the first... View Article
Answer: (1) Diborane Diborane is a chemical compound that consists of boron and hydrogen atoms and has a molecular formula B2H6. The compounds... View Article
Answer: (1) Atoms are defined as the basic building blocks of matter. An atom is composed of three particles, namely, neutrons, protons and... View Article
Answer: Peptization is the method of producing stable colloids using an electrolyte to split up and distribute a precipitate into the colloids.... View Article
Answer: Reproduction is the process of producing offsprings that are biologically or genetically similar to the parent organism. The organisms... View Article
Answer: (1) The scientific name for banana is Musa paradisiaca. Musa Superba is the scientific name for a flowering plant, rock banana. Musa... View Article
Answer: Objects moving in fluids face the friction of the fluid that opposes their motion. So objects moving in fluids must have unique shapes... View Article
Answer: Pollination may occur through different agents such as animals, bats, wind, birds, water, molluscs, etc. Malacophilys a kind of... View Article
Answer: (3) Well water The availability of ions is very important to conduct electricity. Distilled water is a pure type of water which does... View Article
Answer: (4) Pollenkitt is a coating of yellow sticky material that is present around insect-pollinated pollen plant of pollen grains. It is an... View Article
Answer: (3) Rayon is a manufactured fiber that is regenerated as cellulose fiber made from natural sources such as wood and agricultural... View Article
Answer: Pythagoras theorem states that In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the... View Article
Answer: Quickly doing the exercises can tire an individual or team. The principal explanation for this is the muscles work hard at lifting a... View Article
