Recent questions in Chemistry

Which of the following is a copolymer?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following statements is not correct regarding vinylic polymerisation?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following is not a biodegradable polymer?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following is not a step growth polymer?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following is not a biopolymer?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following is not an example for addition polymer?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following is not a bio degradable polymer?

asked Mar 7, 2014 by thanvigandhi_1

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Which of the following is the alarm phermone spread by bees?

asked Mar 7, 2014 by meena.p

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Which of the following is not an ingredient in the preparation of fireworks ?

asked Mar 7, 2014 by meena.p

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The structure of $XeO_2F_2$ based on VSEPR theory is best described as

asked Mar 7, 2014 by sreemathi.v

1 answer

Orlon has a unit of

asked Mar 7, 2014 by thanvigandhi_1

1 answer

Which set of hormones are plant growth promoter hormones ?

asked Mar 7, 2014 by meena.p

1 answer

Which of the following is not correct regarding terylene?

asked Mar 7, 2014 by thanvigandhi_1

1 answer

The hybridisation of $'Xe'$ atom in $XeF_4$ molecule is

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following is biodegradable polymer?

asked Mar 7, 2014 by thanvigandhi_1

1 answer

The number of $\sigma$ and $\pi$ bonds in $ClO_3$ respectively

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following monomers gives the polymer neoprene on polymerisation?

asked Mar 7, 2014 by thanvigandhi_1

1 answer

Which of the following set of chemicals are used as local anesthetics?

asked Mar 7, 2014 by meena.p

1 answer

Which of the following chemical is a hypnotics?

asked Mar 7, 2014 by meena.p

1 answer

Among the following species,identify the isostructural pairs: $NF_3,NO_3^-,BF_3,H_3O^+,HN_3$

asked Mar 7, 2014 by sreemathi.v

1 answer

Nylon threads are made of

asked Mar 7, 2014 by thanvigandhi_1

1 answer

Which of the follwoing provides a permanent birth control?

asked Mar 7, 2014 by meena.p

1 answer

The hybridisation of N atom in $NO_2^-$ is

asked Mar 7, 2014 by sreemathi.v

1 answer

Perlon is ?

asked Mar 7, 2014 by thanvigandhi_1

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The raw material for the commercial manufacture of DDT are :

asked Mar 7, 2014 by meena.p

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The shape of methyl cation $(CH_3)^+$ is

asked Mar 7, 2014 by sreemathi.v

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According to VSEPR theory,which of the following is the incorrect statement?

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following statement about carbon fibres are correct ? 1. They can be made from viscose rayon<br> 2. They can used for making more tips of missile.<br> 3. They have low internal conductivity and used as insulators.<br> 4. They are used for making compounds of bone plates.

asked Mar 7, 2014 by meena.p

1 answer

Which of the following statement is incorrect on resonance ?

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following creates great thrust and high performance in a missile ?

asked Mar 7, 2014 by meena.p

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The change in hybridisation of the Al atom in the reaction of $AlCl_3+Cl^-\rightarrow AlCl_4^-$

asked Mar 7, 2014 by sreemathi.v

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Which of the following is the correct order of increasing the bond length?

asked Mar 7, 2014 by sreemathi.v

1 answer

Hybridisation and geometry of $XeO_4$ is

asked Mar 7, 2014 by sreemathi.v

1 answer

The structure given below is known as :

asked Mar 7, 2014 by meena.p

1 answer

The following compound is used as

asked Mar 7, 2014 by meena.p

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Which of the following molecule has the lowest dipolemoment?

asked Mar 7, 2014 by sreemathi.v

1 answer

A drug that is antipathetic as well as analgeric is

asked Mar 7, 2014 by meena.p

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The nodal plane in the $\pi$-bond of ethene is located in

asked Mar 7, 2014 by sreemathi.v

1 answer

An ester used as medicine is

asked Mar 7, 2014 by meena.p

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In an anti-bonding molecular orbital,electron density is minimum

asked Mar 7, 2014 by sreemathi.v

1 answer

The correct structure of the drug paracetamol is :

asked Mar 7, 2014 by meena.p

1 answer

According to MO theory,which of the following statement is correct?

asked Mar 7, 2014 by sreemathi.v

1 answer

Alizarin gives blue colour by mordating it with the chloride of a metal. The metal ion is :

asked Mar 7, 2014 by meena.p

1 answer

hypervalent compound is

asked Mar 7, 2014 by sreemathi.v

1 answer

A combination of nitrocellulose and nitro glycerine is a propellant of which of the following types?

asked Mar 7, 2014 by meena.p

1 answer

Which of the following is not used in rocket propellants?

asked Mar 7, 2014 by meena.p

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In a non polar $AX_2$, the bond moment of $AX$ is 0.56D then the bond angle of $AX_2$ is

asked Mar 7, 2014 by sreemathi.v

1 answer

Among the following isostructural compounds,identify the compound which has the highest lattice energy

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following is the correct order of decreasing ionic size is

asked Mar 7, 2014 by sreemathi.v

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Pick out among the following species is/are iso structural with $XeO_3$

asked Mar 7, 2014 by sreemathi.v

1 answer

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