The removal of the wastes from the body is known as
The removal of the wastes from the body is known as excretion.
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What do we get by the product of mass and velocity
We get momentum as the product of mass and velocity.
Write equations of Friedal-Crafts reaction alkylation of anisole, nitration of anisole, bromination of anisole in ethanoic acid medium, and Friedel-Crafts acetylation of anisole.
The following are the required reactions related to anisole:
How many seats are reserved for SC in Lok Sabha
There are 84 seats reserved for SC in Lok Sabha.
RQ for protein is
RQ for protein is? 0.5 0.7-0.9 1 1.4 The correct option is ii. 07-0.9
Name any three main characteristics of the tropical evergreen forests in India
The following are the characteristics of the tropical evergreen forests in India: The heights of the trees can reach up... View Article
Rennin acts on
Rennin acts on? fats in intensite milk that is casein is changed into calcium paracaseinate at 1-3 pH proteins in... View Article
Which of the following is used as lubricant
Which of the following is used as lubricant? coke diamond graphite charcoal The correct option is iii. graphite
Write symbol of gold
The symbol of gold is Au which means Aurum. This is a Latin word for gold.
A car moving along a straight highway with speed of 126 km/h is brought to a stop within a distance of 200 m. What is the retardation of the car and how long does it take for the car to stop?
Given: u = 126 km/h = 126×5/18 m/s = 35 m/s v = 0 s = 200 m Using Newton’s... View Article
Draw a labelled diagram of the mature embryo sac of angiosperms
The following is a labelled diagram of the mature embryo sac of angiosperms:
Assertion: The electrical resistance of a column of 0.05 M NaOH solution of diameter 1 cm and length 50 cm is 5.55×103 Ohm. Reason: Its resistivity is equal to 76.234 Ohm-cm
Assertion: The electrical resistance of a column of 0.05 M NaOH solution of diameter 1 cm and length 50 cm... View Article
The range of sec^-1 x is
The range of sec<sup>-1</sup>x is: y=sec<sup>-1</sup>x x=sec y Here, x≤1 or x≥1 The domain includes all numbers from -∞ to ∞... View Article
A rectangular wire loop of sides 8 cm and 2 cm with a small cut is moving out of a region of uniform magnetic field of magnitude 0.3T directed normal to the loop. What is the emf developed across the cut if the velocity of the loop is 1 cm/s in a direction normal to the (a) longer side (b) shorter side of the loop? For how long does the induced voltage last in each case?
Length of the rectangular wire, l = 8 cm = 0.08 m Width of the rectangular wire, b = 2cm... View Article
Every counting number has an infinite number of
Every counting number has an infinite number of? prime factors multiples factors none of these The correct option is ii.... View Article
Assertion: 1 Faraday = 96500 Coulombs It is a charge of 1 mole electrons. Reason: 1 Faraday charge liberates one gram equivalent of substance at an electrode.
Assertion: 1 Faraday = 96500 Coulombs It is a charge of 1 mole electrons. Reason: 1 Faraday charge liberates one... View Article
Solve 2cos^2x + 3sinx = 0
Given: To solve: 2cos<sup>2</sup>x+3sinx=0 Solution: 2[1-sin<sup>2</sup>x]+3sinx=0 2-2sin<sup>2</sup>x+3sinx=0 2sin<sup>2</sup>x+3sinx=0 2sin<sup>2</sup>x-3sinx-2=0 Let sinx=y 2y<sup>2</sup>-3y-2=0 2y<sup>2</sup>-4y+y-2=0 2y(y-2)+1(y-2)=0 (2y+1)(y-2)=0 y=-1/2,2 We know that sin... View Article
Solute A is a ternary electrolyte and solute B is a none-electrolyte. If 0.1 M solution of solute B produces an osmotic pressure of 2P, then 0.05 M solution of A at the same temperature will produce an osmotic pressure equal to?
Ternary electrolyte implies the van’t Hoff factor is 3 Osmotic pressure,π=CRTxi Solute A is ternary, i = 3 C=0.05M Solute... View Article
The half life period for a first order reaction is
The half life period for a first order reaction is? inversely proportional to the square of the concentration inversely proportional... View Article
25:125::36:?
25:125::36:? 318 180 206 216 The correct option is iv. 216
