Recent questions and answers in Chemistry

The following plants are devoid of some vital organs. Arrange these in the order of absence of roots , stem, leaf, flower and fruits respectively :

answered Jan 13, 2022 by pankajgtm358

1 answer

The product obtained when propene undergoes addition reaction with HBr in the presence of benzoyl peroxide is :

answered Jan 2, 2021 by krishakvdrdo

1 answer

Which one of the following is one of the cross end products formed when a mixture of acetone and acetaldehyde is heated after treating with aqueous sodium hydroxide ?

answered Jun 28, 2020 by siddusept182004

1 answer

If the solution of copper sulphate in which a copper rod is immersed, is diluted 100 times, what is the change in electrode potential ( Reduction ) ?

answered Apr 20, 2020 by venkatapavankumar90

1 answer

1,3-Butadiene and styrene on polymerisation give :

answered Apr 3, 2020 by dasarinagaakshitha929

1 answer

For the reaction $A+3b \rightarrow 2C+D$, which one of the following is not correct?

answered Mar 30, 2020 by patilpriya5252

1 answer

The extent of charge of lead accumulator is determined by

answered Dec 29, 2019 by raji.durge2013

1 answer

In which of the following reactions the product is an ether ?

answered Oct 27, 2019 by sjr91820

1 answer

In which of the following pairs, the central atoms have the same number of lone pairs of electrons ?

answered Aug 31, 2019 by its4uraj

1 answer

Molar conductances of $BaCl_2, H_2SO_4\: and HCl$ at infinite dilution are $X_1,X_2\: and \: X_3$ respectively. Molar conductance of $ BaSO_4$ at infinite dilusion is

answered Aug 27, 2019 by pady_1

1 answer

'Natalite' is used as:

answered Jul 26, 2019 by kavyashree04141

1 answer

The processes used in the refining of aluminium and zinc metals are respectively :

answered Jul 22, 2019 by jeevanprasanna0

1 answer

A crystalline solid substance has a density of $10 g/cm^3$ and the length of the edge of the unit cell (FCC) is 2.0 A. How many number of atoms are present in 200 grams of the solid ?

answered Jul 19, 2019 by muralikrishnamraju6

1 answer

Which of the following compounds is soluble in benzene but almost insoluble in water?

answered Jul 1, 2019 by zcirshad11225

1 answer

Which one of the following compounds is steam distillable ?

answered Apr 1, 2019 by ayushburadkar2000

1 answer

Choose the correct statement from the following :

answered Mar 15, 2019 by aniketkhot2131

1 answer

Under which one of the following conditions do real gases approach the ideal gas behaviour ?

answered Mar 15, 2019 by aniketkhot2131

1 answer

Which of the following is an example for heterogeneous catalysis reaction?

answered Mar 7, 2019 by leenababar38

1 answer

The magnetic quantum number $m$ for the outermost electron in the Na atom is .............. .

answered Jan 2, 2019 by saishshirodkar170702

2 answers

What is the quantity of electricity (in Coulombs) required to deposit all the silver from 250 mL of 1 M $AgNO_3$ solution ?

answered Dec 22, 2018 by sabeena1sultana

1 answer

The correct Fischer projection formula of (2R, 3R)-2, 3-dihydroxy butanoic acid is

answered Nov 29, 2018 by ehlammmmm

1 answer

The atomic numbers of elements X,Y and Z are 19,21 and 25 respectively. The number of electrons present in the M shell of these elements follow the order:

answered Nov 18, 2018 by gowthammukthineni619

1 answer

A few drops of an organic compound (liquid) are added to schiff's reagent. A pink colour is produced. The organic compound is ................. .

answered Oct 11, 2018 by kaafisaini

1 answer

Chloroform when heated with silver powder gives :

answered Sep 16, 2018 by antimbalajain1976

1 answer

The compound prepared by a substitution reaction of benzene is :

answered Sep 10, 2018 by somnathdutta1303

1 answer

In a hydrogen atom, the electron is at a distance of 4.768 A from the nucleus. The angular momentum of the electron is :

answered May 31, 2018 by sharmaaparna1

1 answer

An electron is moving in Bohr's fourth orbit. It's de-Broglie wave length is $\lambda$. What is the circumference of the fourth orbit ?

answered Feb 28, 2018 by crazy.myth03

2 answers

Which one of the following gives a straight line for Freundlich adsorption isotherm?

answered Jan 20, 2018 by rahulbharadwaj2000

1 answer

Which air pollutant is responsible for Bhopal gas tragedy ?

answered Dec 30, 2017 by shreeksharana1

1 answer

Nucleides having different mass number and different atomic number, but the same number of neutrons are called ...................... .

answered Jul 5, 2017 by www.baluwalevivek

1 answer

Heating chloroform with aqueous sodium hydroxide solution forms:

answered Jan 27, 2017 by shyamalkumarkanji56

2 answers

Aluminium metal becomes passive in :

answered Nov 8, 2016 by ragulravi1999

1 answer

Cataract and skin cancer are caused by _________ .

answered Feb 24, 2016 by AmariChristensen

2 answers

deviation from ideal behaviour

asked Dec 8, 2015 by b.sunitha31

0 answers

the 2 strands in dna are

answered May 6, 2015 by sharmaaparna1

1 answer

compounds with antiseptic properties are

answered May 6, 2015 by sharmaaparna1

1 answer

what is drugs

answered May 6, 2015 by sharmaaparna1

1 answer

based on polymers questions

asked May 3, 2015 by yashfeen05

0 answers

for the equilibrium a give rise to b + c kp=0.82 atm at 27 degree centigrade atthesame temperature its kc in mollit-1 is r- 0.082 lit atmmol-1 k-1

asked May 3, 2015 by yashfeen05

0 answers

all 2013 questions

asked May 3, 2015 by yashfeen05

0 answers

0.14 grams of an element on combustion gives 0.28 gtams of its oxide. what is the element

answered Dec 24, 2014 by pady_1

1 answer

0.14 g of an element on combustion gives 0.28 g of its oxide. What is that element ?

answered Dec 24, 2014 by pady_1

1 answer

In which of the following reactions, $MgO$ is not formed?

answered Mar 16, 2014 by balaji.thirumalai

1 answer