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Recent questions in Chemistry

Questions >> CBSE XII >> Chemistry

Chemistry

States of Matter - Solid State

Electrochemistry

Chemical Kinetics

Surface Chemistry

Isolation of Elements

p-Block Elements

d- and f-block elements

Coordinate Compounds

Haloalkanes and Haloarenes

Alcohols, Phenols and Ethers

Aldehydes, Ketones and Carboxylic Acids

Chemistry in everyday life

How will you distinguish between the following pair of terms:Hexagonal close-packing and cubic close-packing?

asked Jul 29, 2014 by sreemathi.v

1 answer

'Stability of a crystal is reflected in the magnitude of its melting points'. Comment. Collect melting points of solid water, ethyl alcohol, diethyl ether and methane from a data book. What can you say about the intermolecular forces between these molecules?

asked Jul 29, 2014 by sreemathi.v

1 answer

How can you determine the atomic mass of an unknown metal if you know its density and the dimension of its unit cell? Explain.

asked Jul 29, 2014 by sreemathi.v

1 answer

What is the coordination number of atoms in a body centred cubic structure?

asked Jul 29, 2014 by sreemathi.v

1 answer

What is the coordination number of atoms in a cubic close-packed structure?

asked Jul 29, 2014 by sreemathi.v

1 answer

What is meant by the term 'coordination number'?

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Si

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.LiBr

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Rb

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Brass

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Graphite

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Plastic

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.$P_4$

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.$I_2$

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.SiC

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Ammonium phosphate $(NH_4)_3PO_4$

asked Jul 29, 2014 by sreemathi.v

1 answer

Classify the following solid as ionic, metallic, molecular, network (covalent) or amorphous.Tetra phosphorus decoxide $(P_4O_{10})$

asked Jul 29, 2014 by sreemathi.v

1 answer

What makes a glass different from a solid such as quartz? Under what conditions could quartz be converted into glass?

asked Jul 29, 2014 by sreemathi.v

1 answer

Define the term 'amorphous'. Give a few examples of amorphous solids.

asked Jul 29, 2014 by sreemathi.v

1 answer

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