- Who discovered the synthetic rubber?
- What are the examples of the synthetic rubber?
- Which synthetic rubber has a superior resistance to vegetable and minerals oils?
- Which synthetic rubber is used for manufacturing conveyor belts, hoses & gaskets?
- Which synthetic rubber is resistant to the action of petrol, lubricating oils & organic solvents?
- Which synthetic rubber is used in making oil seals, tank lining etc?
- Which synthetic rubber is also known as SBR?
- Which synthetic rubber is used in the manufacturing of automobile tyres & rubber soles?
- Which acid is used for coagulating the latex?
- What should be the percentage of dilution of formic acid before it is added to latex?
- What is the name of the mixture of calcium cyanamide & carbon?
- What is the commercial name of calcium nitrate?
- Which are the important phosphatic fertilizers?
- Which kind of fertiliser is Thomas slag?
- What is the name of the mixture of nitrogenous, phosphatic & potash fertilizers in suitable amounts?fertilisers
- Which is the example of a fertilizer available in the gaseous form?
- What is the name of the chemicals used to kill eelworms which feed on growing crops?
- The chemicals is used to kill slugs and snails are known as ____
- What is the name of the chemicals commonly known as weed killers and are pesticides used to kill unwanted plants?
- Which was the first widely used herbicide?
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