Archives

Define uniform velocity and uniform acceleration?

The velocity of an object can be defined as the rate of change of the object’s position with respect to a frame of reference and time. The... View Article

What is dhekli irrigation system?

Dhekli is a tradition system of irrigation which is mainly found in rural areas. This irrigation is done manually. The person had to take out... View Article

Democracy is based on consultation and discussion. Explain this statement

Democracy is based on consultation and discussion. A democratic decision always involves many people, discussions and meetings and they are able... View Article

ordinate of a point is negative in___________ quadrant (a) I and II (b) II and III (c) III and IV (d) IV and I

Points that lie below the X-axis, have their y co-ordinates negative. So, III and IV quadrants have negative ordinates. Hence, correct answer is... View Article

Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment.

I would love to live in an environment shown as below:... View Article

When a metal X is treated with cold water, it gives a basic salt Y with molecular formula XOH (Molecular mass = 40) and liberates a gas Z which easily catches fire. Identify X, Y and Z and also write the reaction involved.

X is Na because the molecular mass of NaOH is 40. Hence Y is NaOH Z is hydrogen gas which catches fire when reacts with water. The reaction... View Article

A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weighs W each is hung at the two ends, the elongation of the wire will be (in mm) (a) l/2 (b) l (c) 2 (d) zero

Y = (Force x L)/(A x l) = WL/Al l = WL/AY Due to the arrangement of the pulley, the length of wire is L/2 on each side and so the elongation will... View Article

The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion? (a) 13 (b) 10 (c) 14 (d) 16

Mass number (A) of the atom = 27 Number of the neutron in the atom =14 Number of Electrons=Mass number-Number of neutrons=27-14 Number of... View Article

__________supports combustion

oxygen is a neutral gas that supports combustion. As we know that combustion is reliant on a chemical reaction between oxygen and certain organic... View Article

At a certain place horizontal component is square root 3 times the vertical component the angle (a) 0 (b) π/3 (c) π/6 (d) none of these

Given BH = √3Bv tan = Bv / BH = Bv / √3Bv We get, = 1/√3 = tan 300 = 300 = π/6 Hence, the correct answer is π/6 i.e... View Article

What is the prefix of respect?

The prefix of respect is 'disrespect'. A Prefix is a word that is added at the beginning of the root word to form a new word. A prefix word does... View Article

Flowers showing basipetal succession are observed in (a) Caesalpinia and Clerodendrum (b) Jasmine and Gulmohar (c) Gulmohar and Caesalpinia (d) Clerodendrum and Jasmine

Basipetal succession is the arrangement of flowers on plant in which new flowers and buds are present at the bottom and the older flowers are... View Article

Solve the below puzzle? A rich man needs___. A poor man has_. If you eat_ you die and when you die you can take___ with you! ? One word fits all 4 blank? Spaces! its a seven letter word. What’s the answer?

A rich man needs nothing. A poor man has nothing. If you eat nothing you will die. And when you die you take nothing with you. Hence, the... View Article

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Archives

Define uniform velocity and uniform acceleration?

What is dhekli irrigation system?

Democracy is based on consultation and discussion. Explain this statement

ordinate of a point is negative in___________ quadrant (a) I and II (b) II and III (c) III and IV (d) IV and I

Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment.

When a metal X is treated with cold water, it gives a basic salt Y with molecular formula XOH (Molecular mass = 40) and liberates a gas Z which easily catches fire. Identify X, Y and Z and also write the reaction involved.

A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weighs W each is hung at the two ends, the elongation of the wire will be (in mm) (a) l/2 (b) l (c) 2 (d) zero

The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion? (a) 13 (b) 10 (c) 14 (d) 16

__________supports combustion

At a certain place horizontal component is square root 3 times the vertical component the angle (a) 0 (b) π/3 (c) π/6 (d) none of these

What is the prefix of respect?

Flowers showing basipetal succession are observed in (a) Caesalpinia and Clerodendrum (b) Jasmine and Gulmohar (c) Gulmohar and Caesalpinia (d) Clerodendrum and Jasmine

What is the molecular mass of magnesium hydroxide?

Find the value of the trigonometric function sin 765°

Water lost in guttation is : (a) pure water (b) impure water (c) in vapour form (d) either ‘a’ and ‘b’

What goes up and down, but never moves?

Name three main sources of water

Write five sentences about bear

Name the non metal used in water purifier?

Solve the below puzzle? A rich man needs___. A poor man has_. If you eat_ you die and when you die you can take___ with you! ? One word fits all 4 blank? Spaces! its a seven letter word. What’s the answer?

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