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Balance the equation:- Mg3N2 +H20———>Mg(oH)2+NH3

The balanced equation is: Mg3N2 + 6H2O → 3Mg(OH)2 + 2NH3... View Article

Trypanosoma, leishmania, and plasmodium are the examples of?

Trypanosoma, leishmania, and plasmodium are the examples of protozoa.... View Article

Deployment pipeline enables collaboration. a. True b. False

It is true that the deployment pipeline enbales collaboration.... View Article

Who built the cooperative called new harmony

Robert Owen built the cooperative called the new harmony.... View Article

Differentiate between mass and inertia

The difference between mass and inertia is that mass is the quantity of the matter in a body irrespective of its volume. Whereas inertia is the... View Article

Give the clipped words for a) laboratory b) cafeteria

The chipped word for laboratory is lab. The chipped word for cafeteria is cafe.... View Article

Prove that sinA-cosA+1÷sinA+cosA-1 = 1÷secA-tanA

To prove: Solution: Divinding by cosA = = = =secA+tanA =... View Article

Write in Roman Numerals (a) 69 (b) 98.

The following are the Roman numbers of 69 and 98: 69 = 60+9 = (50+10)+9 = LX+IX = LXIX 98 = 90+8 = (100-10)+8 = XC+VIII = XCVIII... View Article

The sides of a triangle are 3 cm, 4 cm and 5 cm. Its area is (1) 12cm2 (2) 15cm2 (3) 20cm2 (4) 6cm2

Answer: (4) 6 cm2 The sides of a triangle are 3 cm, 4 cm and 5 cm. The lengths of the sides are a = 3 cm b = 5 cm c = 4 cm ∴ s = (3 + 4... View Article

The sides of a triangle are 3cm, 5cm, and 4cm: Find its area.

The lengths of the sides are a = 3 cm b = 5 cm c = 4 cm Using the formula ⇒ ⇒ ⇒ = 6 sq.cm... View Article

If one chamber has a Ψw of – 2000 kPa, and the other – 1000 kPa, which is the chamber that has the higher Ψ ?

Chamber A with Ψw of - 1000 kPa has a higher water potential (Ψ) than the other with Ψw of - 2000 kPa. Water potential (Ψ) is the measure of how... View Article

An astronaut is looking down on earth’s surface from a space shuttle an altitude of 400 km Assuming that the astronaut’s pupil diameter is 5 mm and the wavelength of visible light is 500 nm, the astronaut will be able to resolve linear objects of the size of about :

=50m... View Article

Calculate the amount of charge flowing in 2 min in a wire of resistance 10Ω when a potential difference of 20V is applied between its ends.

Given, t = 2 min = 120 second R=10Ω, V = 20 volt We know that, I=V/R = 20/10 = 2 A Charge 2 = i*t = 2 *120 = 240 coulomb... View Article

4g argon (Atomic mass =40) in a bulb at a temperature of TK has a pressure P atm. When the bulb was placed in a hot bath at a temperature of 50 degrees C more than the first one, 0.8g of gas had to be removed to get the original pressure. T is equal to :

PV=nRT Consider argon P×V=4/40×R×T We know that molecular weight of Ar=40, On heating, P×V= (3.2/40)*R*(T+50) 4T=3.2T+160... View Article

The angular frequency of motion whose equation is 4d²y/dt²+9y=0 is (y=displacement and t=time)

Answer: Dividing the above equation by 4, we get comparing the above equation with the general equation of Simple Harmonic Motion ⇒ ⇒... View Article

A parallel beam of monochromatic light of wavelength 5000 A is incident on a single narrow slit of width 0.001 mm. The light is focussed by a convex lens on a screen placed on a focal plane. The first minimum will be formed for the angle of diffraction equal to a) 50 degrees b) 15 degrees c) 20 degrees d) 30 degrees

Option d) 30 degrees... View Article

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