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Recent questions tagged class11

Monomer of sucrose is- a) a-D glucose + a-D glucose b) a-D glucose + b-D fr

asked Feb 15, 2019 by pkp43590

1 answer

Find the equation of the circle which passes through the points (0,-1), (2,0) and has its centre on the line 3x+y=5.

asked Feb 15, 2019 by diveshchintu

1 answer

Find the equation of the circle with centre on y-axis and passing through origin and the point (2,3).

asked Feb 15, 2019 by diveshchintu

1 answer

How are physicial properties different from chemical properties ?

asked Feb 15, 2019 by meena.clay6

1 answer

What is the difference between molecules and compounds ? give examples of each

asked Feb 15, 2019 by meena.clay6

1 answer

A particle moving along a straight line has a velocity v m/s , when ot clea

asked Feb 14, 2019 by sagarshivankar7

1 answer

In a group of 45 students 22 can speak Hindi only 12 can speak English wale

asked Feb 14, 2019 by jafaralam142

1 answer

A solution contains 25% water 25%ethanol and 50% acetic acid by mass calcul

asked Feb 14, 2019 by jafaralam142

1 answer

the volume of an object as a function of time is calculated by v=at3+bt whe

asked Feb 14, 2019 by alokgiri0812

1 answer

How much copper can be obtained from 100 g of copper sulphate $(CuSO_4)?$ (Atomic mass of $Cu=63.5\;amu$)

asked Feb 14, 2019 by meena.clay6

1 answer

Write any four postulates of Daltons atomic theory

asked Feb 14, 2019 by meena.clay6

1 answer

Calculate the percentage composition of element in methanol $(CH_2OH)$

asked Feb 14, 2019 by meena.clay6

1 answer

Calculate the formula mass of KCl (Potassium chloride)

asked Feb 14, 2019 by meena.clay6

1 answer

State Law of Multiple proportions

asked Feb 14, 2019 by meena.clay6

1 answer

Write the formula used to calculate the % composition of elements

asked Feb 14, 2019 by meena.clay6

1 answer

What is meant by dimensional analysis?

asked Feb 14, 2019 by meena.clay6

1 answer

$6.02 \times 10^{20}$ molecules of urea are present in 100 mL of its Solution. The concentration of solution is

asked Feb 14, 2019 by meena.clay6

1 answer

Find dy!dx if y =x-a/x-b

asked Feb 14, 2019 by abhiramisa50

1 answer

Differentiate the function with respect to x f (x)=(2x+cotx)/x^1/2

asked Feb 13, 2019 by sk7336136

1 answer

Spectrum of li+2 similar to that of

asked Feb 13, 2019 by varshakrishna77

1 answer

A card is chosen at random from a deck of 52 cards.There are 4 Queens and 4

asked Feb 12, 2019 by venkeyvenkey0815

1 answer

How many minimum number of coplanar vectors having different magnitude can

asked Feb 12, 2019 by harshamaheshsingh

1 answer

When 22.4 L of $H_2(g)$ is mixed with $11.2\;L$ of $Cl_2(g)$ each of at STP the moles of HCl(g) formed is equal to

asked Feb 12, 2019 by meena.clay6

1 answer

If the concentration of glucose $(C_6H_{12}O_6)$ in blood is $0.9\;g\;L^{-1}$. What will be the molarity of glugose in blood ?

asked Feb 12, 2019 by meena.clay6

1 answer

The conversion of 2,3 dibromobutane with zinc and alcohol is what type of e

asked Feb 12, 2019 by hardhikearla555

1 answer

What will be the molarity of a solution , which contains 5.85 g of Nacl per 500 mL?

asked Feb 12, 2019 by meena.clay6

1 answer

The molarity of con.HCl is $1.15\;M$. What volume of con. HCl is required to make 1.00 of 0.1M HCl

asked Feb 12, 2019 by meena.clay6

2 answers

Find the coordinates of center of mass of two particles system of masses 0

asked Feb 12, 2019 by priyanka7838176692

0 answers

A body is dropped from some height such that it covers half of its height d

asked Feb 11, 2019 by wanihuzaif2

1 answer

How to find the equation of a plane contain two straight lines

asked Feb 11, 2019 by rajeshpulletikurthi

1 answer

If in the expression of (a+b)^n and (a+b)^n+3,2nd and 3rd,3rd and 4th terms

asked Feb 11, 2019 by umapal12305

1 answer

From a frequency distribution consisting of 18 observations the mean and st

asked Feb 11, 2019 by avishekrjha

1 answer

the directed line segment is denoted by a is a

asked Feb 11, 2019 by mohdaltafmir90

1 answer

The molarity of con. HCl is 1.15 M; What volume of con. HCl is required to make 1.00 of $0.1\;M\;HCl$

asked Feb 11, 2019 by meena.clay6

1 answer

How much AgCl will be formed by adding 200 ml of 5 M HCl to the solution containing 1.7 gms of $Ag NO_3$?

asked Feb 11, 2019 by meena.clay6

1 answer

What is weight of NaOH present in 250 cc of a 2M Solution ?

asked Feb 11, 2019 by meena.clay6

1 answer

Calculate the number of moles of $H_2SO_4$ present in $50\; ml$ of $0.2 \;m\;H_2SO_4$

asked Feb 11, 2019 by meena.clay6

1 answer

Cosx × cosecx =root3 general solution for this question

asked Feb 11, 2019 by navyamk628

1 answer

Assuming that earth and mars move in circular orbit around sum ,With the ma

asked Feb 11, 2019 by dskuchay32127

0 answers

For a group of 200 candidates, the mean and standard deviation of scores we

asked Feb 10, 2019 by rajenderpundir0

1 answer

When a card is drawn from a deck of card find the probability of getting a

asked Feb 10, 2019 by sathyadon36

1 answer

give uses of moving coil galvanometer as multirange voltmeter

asked Feb 10, 2019 by jathar5299

0 answers

A line perpendicular to the line segment joining the points 1, 0 and 2, 3 d

asked Feb 10, 2019 by smitparmar411

1 answer

A particle is projected from the surface of one star towards other star of

asked Feb 9, 2019 by tanmaymondalmondal7

1 answer

Find the locus of a point which moves such that the sum of its distances fr

asked Feb 9, 2019 by amandeepyadav143du4r

1 answer

Prove by Mathematical Induction that for all n belongs to natural number co

asked Feb 9, 2019 by vishalkumar8757791667

1 answer

A cricket ball of mass 250 gm moving with velocity of 24 m/s is hit by a

asked Feb 9, 2019 by alokjena7921

1 answer

Find the equation of hyperbola whose conjugate axis is 5 and the distance b

asked Feb 8, 2019 by dhekashadevus

1 answer

A body of mass m moving with velocity v makes a head-on collision with anot

asked Feb 8, 2019 by prashikvs.as

1 answer

16 tunning forks are arranged in the order of decreasing frequency. Any two

asked Feb 8, 2019 by satendrapal847

1 answer

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