Which compound is added to petrol to prevent engines from ‘knocking’?
A lead compound known as Tetraethyl lead provides octane to gasoline, is added to petrol to prevent engines from knocking.
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- Two antioxidants which are mostly added to fat and oil containing foods to prevent rancidity, are ____________.
- Name two anti-oxidants which are usually added to fat and oil containing foods to prevent rancidity.
- Name one liquid carbon compound which is being used as an additive in petrol in some countries.
- Consider the following organic compounds:CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO Out of these compounds: (a) Which compound is most likely to be sweet-smelling? (b) Which compound on treatment with conc. H2SO4 at 170°C forms an alkene? (c) Which compound on repeated chlorination forms chloroform? (d) Which compound is added to alcohol to denature it? (e) Which compound is a constituent of vinegar? (f) Which compound is used to sterilise wounds and syringes?
- What is the general name of the chemicals which are added to fat and oil containing foods to prevent the development of rancidity?
- Name the fuel which is used in jet aircraft engines.
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