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Veto q&a 7 Month22 (1)

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@chemistry<br />

2018<br />

May<br />

Q<br />

Of which metal is ‘Lepidolite’ a mineral<br />

Q<br />

Which is the heaviest metal<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

A. lithium<br />

What makes peppers hot<br />

A. Pepperin<br />

Who is the father of Periodic Table<br />

A. mendeleev<br />

What is manufactured using Bessemer Process<br />

A. Steel<br />

What is ‘topaz’<br />

A. aluminium fluoro-Silicate (Precious<br />

Yellow Stone)<br />

Which is the electrolyte used for Nickel plating<br />

A. nickel ammonium Sulphate<br />

The nucleus of which atom is equivalent to an alpha<br />

particle<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

A. osmium<br />

Melting point of Tungsten<br />

A. 3410 0 c<br />

Metal which burns in water<br />

A. Sodium<br />

Who discovered Oxygen<br />

A. carl Sheele (1773),<br />

Joseph Priestley (1774)<br />

What is known as ‘Green alcohol’<br />

A. ethanol<br />

The acid present in coffee<br />

A. chlorogenic acid<br />

Who discovered photoelectric effect<br />

A. Helium<br />

A. Henrich Hertz<br />

Q<br />

Q<br />

Q<br />

Q<br />

Energy conversion takes place in Electric Motor<br />

A. electrical energy to mechanical energy<br />

Which poisonous gas produced when PVC is burned<br />

A. Dioxin<br />

Which is the element without neutron<br />

A. Hydrogen<br />

Who was the first to prove that atom can be broken<br />

A. Rutherford<br />

Q<br />

Q<br />

Q<br />

Q<br />

What is Emarald chemically<br />

A. Beryllium aluminium Silicate<br />

The gas used in ice plant<br />

A. ammonia<br />

Metal which is present in Chlorophyll<br />

A. mg<br />

Only transition metal which doesnot show variable<br />

valency<br />

Q<br />

Which is the gas filled in the electric bulb<br />

A. Zn<br />

Q<br />

Q<br />

A. argon<br />

What is the name given to the pale yellow resin<br />

obtaining from the bark of ‘Pistacia Lentiscus’ and<br />

which is used for making varnish?<br />

A. mastic<br />

‘Fluosol DA’ is a derivative of Petroleum and milky<br />

white in colour. What is it called in common par<br />

lance<br />

A. Artificial Blood<br />

Q<br />

Q<br />

Q<br />

Q<br />

Acid present in Phenol<br />

A. carbolic acid<br />

Who discovered nucleus<br />

A. ernest Rutherford<br />

Charge of electron<br />

A. 1.6x10 -19 c<br />

Quantum Mechanical model of atom was proposed<br />

by<br />

Q<br />

Q<br />

Which is the first element to be transmitted into<br />

another by means of high energy machines,<br />

‘Accelerators’<br />

A. lithium<br />

Who is considered the father of Chemistry?<br />

A. Robert Boyle<br />

Q<br />

Q<br />

A. ervin Schrodinger<br />

Simplest atom<br />

A. Hydrogen<br />

Who proposed law of Octaves<br />

A. John newlands<br />

Q&A Bonus<br />

Gandhiji wrote ‘Hind Swaraj’ in the year - 1909<br />

35

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