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Chemistry Test

Description: Notes and Test Papers for Metals & Non-Metals, Carbon, Organic Chemistry, Inorganic Chemistry, Bio Chemistry, Rates of Reaction
Number of Questions: 25
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Tags: Metals & Non-Metals Carbon Organic Chemistry Inorganic Chemistry Bio Chemistry Rates of Reaction Group 13 Elements Group 13 Elements: The Boron Family Group 15 Elements Group 14 Elements Group 14 Elements: The Carbon Family Alkanes and Cycloalkanes Alkanes
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Out of the following, which have been used in spectroscopy?

  1. TIBr

  2. TICl

  3. TICO

  4. TICu


Correct Option: A

Silica gel is amorphous form of

  1. Silica

  2. Silicon

  3. Silicon dioxide

  4. none of these


Correct Option: A

The commercial name of solid carbon dioxide is

  1. ice

  2. dry ice

  3. dri kold

  4. graphite


Correct Option: B

Crooks glass contain

  1. Cesium chloride

  2. Cesium trioxide

  3. Cesium oxide

  4. Cesium hydride


Correct Option: C

Out of the following, which is used in lead storage batteries?

  1. PbO

  2. PbO2

  3. Pb2O

  4. PbO3


Correct Option: B

Red lead is also called

  1. Sindhur

  2. Geri

  3. lead

  4. None of these


Correct Option: A

Formula for diborane is

  1. B2H3

  2. B2H4

  3. B2H6

  4. B2H8


Correct Option: C

Which of the following, is used to electroplate steel?

  1. Antimony

  2. Bismith

  3. Aluminium

  4. Silicon


Correct Option: A

The alloys which melt even below 100 degree c are called

  1. Fusible alloys

  2. Non-fusible

  3. Feasible

  4. Volatile alloys


Correct Option: A

Oxidation state of S in SO2 is

  1. 5

  2. 3

  3. 2

  4. 7


Correct Option: C

The general formula for alkane is

  1. CnH2n+2

  2. CnHn

  3. CnH2n

  4. C2nH2n


Correct Option: A

Out of the following which is called Caros acid?

  1. H2SO5

  2. H2S2O5

  3. H2S3O5

  4. H2SO4


Correct Option: A

Out of the following which is used to decolourise glass?

  1. Si

  2. Al

  3. Ti

  4. Ru


Correct Option: A

Out of white, red and black phosphours, which is most reactive?

  1. White

  2. Red

  3. Black

  4. None of these


Correct Option: A

Out of the following which is called Marshalls acid?

  1. H2S3O8

  2. H2S2O8

  3. H3S2O8

  4. H2S8O3


Correct Option: B

Which is known as laughing gas?

  1. N2O

  2. NO

  3. NO2

  4. N2O5


Correct Option: A

Which metal is used in making steel?

  1. Tellurium

  2. Selenium

  3. Sodium

  4. None of these


Correct Option: A
Explanation:

The largest consumer of tellurium is metallurgy, where it is used in iron, copper and lead alloys. When added to stainless steel and copper it makes these metals more machinable.

Formula for hydrazine is

  1. H2NNH2

  2. NH2NH2

  3. NHNH

  4. NH3


Correct Option: B

Out of the following which is neutral?

  1. GeO

  2. SnO

  3. CO

  4. PbO


Correct Option: C

Nitric acid reacts with sodium metal to form

  1. metal oxides.

  2. metal hydrides.

  3. no reaction.

  4. metal nitrides.


Correct Option: C

Structure of Phosphine is

  1. pyramidal

  2. square planar

  3. trigonal

  4. linear


Correct Option: A

The order of carbon in the abundance of earth's crust is:

  1. 15

  2. 17

  3. 18

  4. 14


Correct Option: B

Germanium hydrides are called

  1. germans

  2. germanes

  3. germides

  4. germite


Correct Option: B

Which of the following exists as a dimer?

  1. AlCl

  2. AlCl2

  3. AlCl3

  4. AlCl4


Correct Option: C
Explanation:

In the melting state, aluminium trichloride exists as the dimer Al2Cl6, with tetracoordinate aluminium.

Order of lewis acidic strength for B, Ga, Al, In is

  1. B > Ga > Al > In

  2. B > Al > Ga > In

  3. B > In > Ga > Al

  4. Ga > B > In > Al

  5. Al > In > B > Ga


Correct Option: B
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