Question:- The type of glass used in making lenses and prisms is A. jena glass B. soft glass C. pyrex glass D. flint glass
Answer:- Option D
Question:- Which one of the following is the petroleum wax? A. Paraffin wax B. Jonoba wax C. Carnauba wax D. Bees wax
Answer:- Option A
Question:- What is paraffin wax?
Answer:- Paraffin wax is obtained from petroleum by dewaxing light lubricating oil stocks. It is used in candles, wax paper, polishes, cosmetics, and electrical insulators. It assists in extracting perfumes from flowers, forms a base for medical ointments, and supplies a waterproof coating for wood. In wood and paper matches, it helps to ignite the matchstick by supplying an easily vaporized hydrocarbon fuel.
Question:- What is paraffin wax used for?
Answer:- Paraffin wax is a type of wax used for candles that can also be used to relieve pain from arthritis, sore joints or sore muscles. When the wax is melted and becomes hot, submerging your hands in the wax can be a great method to sooth pain.
Question:- Is paraffin good for skin?
Answer:- Paraffin creams are safe, the ingredient has well proven therapeutic qualities. It is used in some moisturisers, antiseptics and cleansing lotions. The problem only comes if residue ends up on material which can burn - and the person wearing it is in contact with a source of fire.
Question:- What are 5 benefits of paraffin wax?
Answer:- t acts like a form of heat therapy and can help increase blood flow, relax muscles, and decrease joint stiffness. Paraffin wax can also minimize muscle spasms and inflammation as well as treat sprains.
Question:- Is paraffin wax natural?
Answer:- Once extracted, crude oil is sent to refineries where it is then turned into finished products like lubricating oil. It is from the lube oil refining process that paraffin waxes are created. Paraffin wax is a natural product that has these general properties: Non-Toxic - meaning that paraffin wax is not poisonous.
Question:- The nucleus of an atom consists of A. electrons and neutrons B. electrons and protons C. protons and neutrons D. All of the above
Answer:- Option C
Question:- Where is the nucleus of an atom?
Answer:- The nucleus (plural, nuclei) is a positively charged region at the center of the atom. It consists of two types of subatomic particles packed tightly together. The particles are protons, which have a positive electric charge, and neutrons, which are neutral in electric charge.
Question:- What particles are in the nucleus of an atom?
Answer:- In the middle of every atom is the nucleus. The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus.
Question:- Is the nucleus of an atom positive or negative?
Answer:- An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.
Question:- What is nucleus function?
Answer:- The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information.