's' stands for solid 'g' stands for gas and 'aq' stands for aqueous. For example  We find zinc in solid, but sulphuric acid in aqueous solution. When zinc react with sulphuric , it produce zincsulphate and hydrogen .....

Here, f(x)=5x Now to prove this, put x=m+n or, f(m+n)= 5m+n =5m . 5n                      =f(m).f(n) it proves your .....

xa+b * xb+c * xc+a xa+b+b+c+c+a (The exponent of base is added, when same base is .....

You may defend and promote your nationality by preserving past glory, art, literature, custom and tradition. These were handed down over from generation to generation. You may also promote defend and promote your nationality by being faithful to .....

In democracy general people get an opportunity to vote. The people elect the representatives among themselves to form the government. Such a kind of government is more responsible towards the people. This government is more accountable for its .....

Civil Duties include both moral and legal .....

Suppose, You have 2 chocolates And, Your teacher gave you 4 chocolates How many chocolates, you have now ? 2 + 4 = .....

You may know that, sin300 = sin( 180 + 120) But, sin( 180 + ϴ) = -sinϴ So, sin 300 = - sin120 But sin120 = sin ( 180 - 60)  = sin60 =  √3/2 So, sin300 = .....

Here, to prove PQRS is a parallelogram, Join A&C and B&D. Now see in △ABC, PQ=1/2 AC and   PQ// AC Using mid point theorem. SImilarly in  △ACD, SR=1/2 AC and SR// AC Hence, PQ=SR and PQ //SR   therefore, PS=RQ. I .....

For example, If you tap a quality wineglass next to your ear, you'll hear it sing at that frequency.  If you stimulate the glass with a sound at that frequency, the vibrations in the glass will be much more intense than at any other .....

Per unit cost and total cost is given So,  The area can be calculated by following formula, i.e.   Total Cost       Per unit cost Now, Convert the rupees into paisa,  So, it will be easy to calculate i.e. .....

सह .....

In this question, we have to find full marks (FM) and pass marks (PM). For this, represent FM by x and PM by y. Now, read the first condition. 30% of x = y - 100 Simplify and get value of y. Read second condition and get 42% of x = y + .....

A student obtained only 50 marks in an examination and The student failed by 30 marks. That is;  If the student obtains extra 30 marks, he would have passed the examination. So, the pass marks = 50 + 30  Which is equal .....

(3-4sin2 .....

If you take a mixture of sand and water solution, and filter it through filter paper, the sand will be left in the filter paper. The water will be in the beaker. Here, water is filtrate and sand is residue. So, is the given statement true or .....

The unit of  work in cgs system is dyne cm or erg

 Note that 1 J = .....

According to the principle of simple machine,  we have, effort (E) x effort distance(Ed) = load(L) x load distance(Ld) Here, Given: mass of load (L) =60 kg length of inclined plane (Ed)=10 m height of inclined plane (Ld)= 3 m Amount of .....

Here, we have to prove, <A+<B+<C+<D=360, For this,  <A+<D=180  .............(1)    ( sum of co-interior is 180) Similarly, <B+<C=180.............(2)   ( sum of co-interior is 180) Now, add eq.1 .....

Here, to find the equation of locus, we have to suppose, moving point is P(x,y) Now draw the figure accordin to the question. You join A and B  Now, you see a right angled triangle  ABC, So we can use pythagoras theorem. i.e; .....

Area of a circle is given by  π r2 i.e. A= π r2 ............................i where r=radius of the circle. The value of  π is 3.14 So, A=3.14 r2 or,   r2= A/3.14 or, .....

स्याबास .....

I think the question is find the value of  x. For this, seperate 3x+1 and 3x+2  as 3x . 31  and 3 x. 32 Now take 3x common and simplify the numbers. Finally make base same and compare the .....

Here, Sum of 2x and y is: 2x  + y. Since it is added to 4, the expression becomes, 2x + y + .....

This can be proven by setting up an experiment in which you align three cardboard squares with a small hole in the centre of each. You then set up a light behind the cardboard and look through all three holes from the other side to see the .....

Can you see the things around you when it is dark?   No, you need light. So, light helps us in vision. Can the green plants prepare their food in the absence of light. No, they need light. So, light helps in photosynthesis in green .....

भर्खर काम पुरा भएको जनाउने क्रिया नै पूर्ण वर्तमान हो । यसलाई निम्न वाक्यमा हेर्न सकिन्छ : • .....

Your .....

48/ 4 x (2) - 12 = 48/8 - 12 = 6 - 12 = .....

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Human reproductive system contain male and female reproductive organ. 1) Female reproductive organ 2) Male reproductive .....

It is very difficult to understand. Here I tried to explain. Hope you will understand it. There have been many theories trying to understand the nature of light scientifically. The reason being light behaves as both particles and .....

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Prokaryotes  are cells without a definite nucleus. The DNA floats in the cytoplasm and they divide through mitosis. RBC and platelets present in eukaryotes also do not have .....

Yes, it is due to refraction of light. When we observe the fish from the bottom of the fish look above the water because, due to refraction of light, the fish image obtain some height, hence the fish look out of the .....

Oh! is force a scalar quantity? I dont think so, force have both magnitude and direction, so this is .....

Nepal is an agricultural country. 75 % of the total population is engaged in agricultural activites. But the production is not satisfactory. For the betterment of agriculture in Nepal the government has to do the following things: - maintaining .....

Due to friction between wheels and rails, temperature is increased so that metallic rails are heated and so, expands. If there is no space between them, the metallic rails buckle and bend due to large force. Hence small spaces are left to prevent .....

Lanthenides are 14 rare earth elements. Actinides are 14 Transuranium .....