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@chemistry<br />

2018<br />

June<br />

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Coolant used in Large Hadron Collider?<br />

A. Liquid helium (Liq(he))<br />

Most stable form of phosphorus?<br />

A. Black phosphorus<br />

Who proposed the idea of Isotopes?<br />

A. frederic Soddy<br />

‘BTM’ stands for?<br />

A. Bromo trifluoro methane<br />

Manufacturing process of Aluminum?<br />

A. hall-heroult process<br />

What is wood spirit?<br />

A. Methyl alcohol (Methanol)<br />

Most abundant metal in sea cucumber?<br />

A. Vanadium<br />

Catalyst used in the hydrogenation of<br />

Vanaspathi?<br />

A. nickel palladium (ni-pd)<br />

Atomic particles present in X-rays?<br />

A. electrons<br />

Who discovered Astatine?<br />

A. emilio Segre<br />

‘Alumina’ was first extracted by?<br />

A. hans oersted<br />

Catalyst used in the manufacture of<br />

Ammonia?<br />

A. Soft iron<br />

Father of Modern Chemistry?<br />

A. antoine Lavoisier<br />

Whose arrangement of elements is known as ‘Law of<br />

Octaves’?<br />

A. john newlands<br />

Who proved that CaSO 4<br />

.2H 2<br />

O (Gypsum) is an<br />

important source of sulphur for plants?<br />

A. j.M. Mayer<br />

Father of Organic Chemistry?<br />

A. friederich wohler<br />

What is Carbogen?<br />

A. 95% Oxygen & 5% CO 2<br />

(a mixture of gas used by people suffering<br />

from breathing difficulty)<br />

What is ‘desiccant’?<br />

Q<br />

Q<br />

iupac naMe<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

Q<br />

A. Drying agent which keeps the thing dry by<br />

absorbing water from air<br />

Earth core is made up of?<br />

A. nickel and iron (nife)<br />

Which is the strongest acid?<br />

A. fluro antimonic acid<br />

What are Halons?<br />

other naMe<br />

Sodium Carbonate Washing Soda Na 2<br />

CO 3<br />

Sodium Bicarbonate Baking Soda NaHCO 3<br />

Sodium Chloride Table Salt NaCl<br />

Sodium Hydroxide Caustic Soda NaOH<br />

Sodium Thiosulfate Hypo Na 2<br />

S 2<br />

O 3<br />

Sodium Silicate<br />

Water glass<br />

Liquid glass<br />

cheMicaL<br />

forMat<br />

Na 2<br />

SiO 3<br />

Sodium Nitrate Chile Saltpeter NaNO 3<br />

Potassium Chloride Sylvite KCl<br />

Pottassium Nitrate Saltpeter KNO 3<br />

Calcium Sulfate Gypsum CaSO 4<br />

Calcium Oxide Quick lime CaO<br />

Calcium Hydroxide Slaked lime Ca(OH) 2<br />

A. organic halogen compounds<br />

Which is the simplest saturated hydrocarbon?<br />

A. Methane (ch 4<br />

)<br />

‘Inert gas shield’ used in arc welding?<br />

A. argon<br />

Who discovered Helium?<br />

A. pierre janssen<br />

Who developed the contact process of Sulphuric Acid?<br />

A. peregrine philips<br />

Largest unit of Radio Activity?<br />

A. curie<br />

Theory that helped the formation of Bohr Model?<br />

A. Quantum theory<br />

Q&A Bonus<br />

First Viceroy who formed the ‘Safety Valve Theory’ - Lord Dufferin<br />

33

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