Daily Free Quiz Competition|Online Gk & Current Affairs Quiz For Sarkari Naukri In English & Hindi

Q1 In which form the chemical compound RDX is used?

As an composition

As an reactor

As an explosive

As an nuclear weapon

Q2 As a vegetable preservative poly______ foam is used.

Uthane

Uriathenes

Urathanes

Urethanes

Q3 Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement.

True

False

May Be

Strongly not

Q4 Bio-chemical compounds are used as....

Skin Treatments

Food preservatives

Cooking Oils

All of the above

Q5 Tell the composition of soap?

Sodium salt with fatty acids.

Potassium salt with fatty acids

Both a & b

Sodium and Potassium salt mixed with chemicals

Q6 Detergent is defined as.....

A liquid surfactant

A liquid soluble

A liquid sovent

A liquid solution

Q7 Which of the following compound is not used as an an alkali?

Sodium hydroxide

Potassium hydroxide

Carbon hydroxide

Nitrogen hydroxide

Q8 Define toxicity?

A chemical reaction

A process used in the manufacturing of detergents

A harmful effect of soaps and detergents required to measure the effectiveness.

A process used in the manufacturing of soaps

Q9 Which one of the following non metals is not a poor conductor of electricity

Sulphur

Selenium

Bromine

Phosphorus

Q10 Which one of the following is not a chemical change ?

Burning of coal in air

Fermentation of sugarcane juice

Cracking of petroleum

Crystallization of table salt from sea water

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