(a) Name the major raw materials used in the manufacture of the following:(i) polythene(ii) margarine(iii) cement
Question
(a) Name the major raw materials used in the manufacture of the following:(i) polythene(ii) margarine(iii) cement
Solution
(a) The major raw materials used in the manufacture of the following are:
(i) Polythene: The primary raw material for the manufacture of polythene is crude oil. Natural gas is also used. These are processed to produce ethylene, which is then polymerized to produce polythene.
(ii) Margarine: The main raw materials for margarine include vegetable oils (such as soybean oil, sunflower oil, and palm oil), water, and sometimes milk. Other ingredients can include salt, emulsifiers, and natural or artificial flavors.
(iii) Cement: The major raw materials for cement production are limestone and clay. Other materials like gypsum and iron ore are also used in smaller quantities.
Similar Questions
Which of the following dental cements is used as a luting and base cement and is high in strength?
Fill in the blanks by choosing an appropriate option._____ are used in the manufacture of detergents, fibres, polythene and other man-made plastics. _____ obtained from natural gas, is used in the production of fertilisers (urea). Petroleum is also called _____ due to its great commercial importance.AFossil fuels, Petroleum gas, Black goldBPetrochemicals, Coal gas, DieselCPetrochemicals, Hydrogen gas, Black goldDCoal products, CNG, Paraffin wax
3. In the production of cement, what is the main component responsible for its binding properties?a. Silicab. Calcium carbonatec. Aluminad. Iron ore
Categorize the following materials into alloys, ceramics, polymers, and composites. i)bronze, ii) thoria, iii) invar, iv) nylon
Which of the following dental cements is used for its sedative effect on the dental pulp and comes in two types (one use for temporary restorations and one that is reinforced and used for permanent restroations)?
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.