Answer: Unsaturated carbon compounds on combustion give a yellow flame with lots of black soot. On combustion, saturated carbon compounds give... View Article
Answer: Intermolecular hydrogen bonding is strongest in methanol. Methanol has the ability to exhibit hydrogen bonding because it contains... View Article
Answer: Enamel covers the crown of the tooth. Teeth play an important role in digestion and absorption in humans and other vertebrates. Humans... View Article
Answer: Natural numbers are a part of the number system that encompasses all positive integers from 1 to infinity and are used for counting. It... View Article
Answer: A standing wave is formed when the superposition of two travelling waves of the same frequency, polarization, and amplitude travelling... View Article
Answer: The active form of Entamoeba histolytica feed upon erythrocytes, mucosa and submucosa of colon. Entamoeba histolytica is a pathogenic... View Article
Answer: Reproduction is a type of creating offspring which are identical to the parent species genetically or biologically. Reproduction makes... View Article
Answer: Sustainable management of natural resources means to conserve the resources, use them efficiently and to avoid their misuse for... View Article
Answer: The enzyme lipase is present in intestinal juice. Fat hydrolysing enzymes are known as lipase enzymes. They're produced by a variety... View Article
Answer: Heating of iodine is a physical change. When a substance undergoes a physical change, its composition remains the same despite its... View Article
Answer: Stratified epithelium refers to several layers of the same or different kinds of epithelial cells. Epithelial tissue or epithelium... View Article
Answer: [Pt(NH3)4Cl2]Br2 and [Pt(NH3)4Br2]Cl2 is a type of ionization isomer. Ionization isomerism arises when the counter ion in a complex... View Article
Answer: Heating of a sugar is a physical change. When a substance undergoes a physical change, its composition remains the same despite its... View Article
Answer: Blight canker is a bacterial disease in plants Bacterial blight is a disease that causes lilac leaves, shoots, and stems to turn brown... View Article
Answer: Matter in any form is made up of particles. Particles are the building blocks of matter. In nature, matter is not continuous and is... View Article
Answer: Housefly is a carrier of skin and eye infections, diarrhoeal diseases. Houseflies have been linked to the spread of a variety of... View Article
Answer: Bacillary dysentery is caused by shigella bacteria. A group of Shigella bacteria present in the human gut causes bacillary dysentery... View Article
Answer: Given reaction MnO4- →Mn2+ Since there is reduction of Mn from +7 to +2 state there is reduction by 5 electrons. MnO4−​+ 5e−→Mn2+... View Article
Answer: Polymerization is the method of combining many small molecules to create a single macromolecule. Monomers are small molecules that serve... View Article