User Forum

Study the given flow chart carefully. Cotton and metal are represented by the numbers ____ and ____ respectively.


A(i), (ii)
B(ii), (iii)
C(ii), (iv)
D(iii), (iv)

Shruti took a syringe filled with water as shown here. She applied large pushing force on the piston. What can be the level of water in the syringe now?


A0 mL
B2 mL
C4 mL
D6 mL

Study the given diagram carefully. Candle wax was coated at different parts P, Q, R and S of the metal rod. Which one of the following is the correct order in which the wax would melt?


AP, Q, R, S
BS, R, Q, P
CR, Q, P, S
DR, Q, S, P

In order to save our environment, we should prefer to use items with which of the following signs?

A

B

C

D

In a bangle shop, if the shopkeeper displays the bangles in the form of a square, he is left with 38 bangles. If he wants to increase the size of square by one unit each side of the square he found that 25 bangles fall short of in completing the square. The actual number of bangles which he had with him in the shop was _______.

(A) 1690

(B) 999

(C) 538

Fill in the blanks with the most appropriate option.
‘W’ is a very reactive metal, reacts vigorously with oxygen and water therefore, stored in (1) . ‘X’ is a non-metal, soft and dull and, forms (2) oxides with oxygen. ‘Y’ is very reactive (3) , catches fire if exposed to air, therefore, stored in water. ‘Z’ does not react with dilute hydrochloric acid even on heating but it reacts with sulphuric acid. When it is exposed to moist air for long, it acquires a dull (4) coating.

A1-Water, 2-Basic, 3-Metal, 4-Reddish brown
B1-Kerosene, 2-Acidic, 3-Metal, 4-Red
C1-Kerosene, 2-Acidic, 3-Non-metal, 4-Green
D1-Water, 2-Basic, 3-Non-metal, 4-Green

Match column I with column II and select the correct option.


Aa-(1), b-(2), c-(3), d-(4)
Ba-(3), b-(2), c-(4), d-(1)
Ca-(1), b-(2), c-(4), d-(3)
Da-(4), b-(2), c-(1), d-(3)

Low atmospheric pressure exists on the earth in which of the following latitudes?

A At the equator only
B At 30° N and S
C At the poles
D At the equator and at 60° N and S.

Read the following statements.


A

B

C

D

Which among these on unscrambling gives the name of a disease that affects the skin if it is exposed to ultraviolet rays?

A RECACN
B ARIAMAL
C EBIRRBIE
D SEIBAR