Following are some characteristics of a chemical reactions.
(i) A sound is produced during a chemical reaction.
(ii) New products are formed.
(iii) No smell is given off.
(iv) Heat or light may be given off.
Which of the above statements are correct?
A(i), (ii) and (iv)
B(i) , (ii) and (iii)
C(ii) and (iv)
D(iii) and (iv)
Is it 'A sound MAY BE produced during a chemical reaction' or 'A sound IS produced during a chemical reaction.' ?
Which of the following Venn diagrams best represents the relationship amongst "Ass, Pet, Horse"?
Why can't it be A? The are wild horses and wild asses as well. Considering them, the venn diagram should be A, since they will not come under the larger circle representing PETS. However the pet horses and pet asses will come under the circle of pets. Therefore, if we widen our perspective, the venn diagram can just as easily be A.Consider this comment!
Study the given pattern.
How many cubes are needed to form pattern 25?
It is easy. I will tell you . 1 multiplied by 4 1=5 ,2 multiplied by 4 1=9.so,25 multiplied by4 1=101
Read the given passage.
The water-bearing layer of the earth called __P__ is made up of two components __Q__ and __R__ .
The top level of layer __P__ is called __S__ .
When too many tubewells are used in an area, the level of __S__ in that area goes down.Select the correct sequence of words to fill up the blanks in the above passage.