Read the following statements and select the correct option.
Statement 1: Water present in oceans and seas cannot be used directly for human consumption.
Statement 2 : Water in oceans and seas have less amount of dissolved oxygen.
ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.
answer is wrong, if it is correct please explain. (as far as i know salt water is supposed to dissolve less oxygen.
Which of the following numbers does the boy like ?
Please explain the logic of this.Thanks
Which of the following scales are not linear in nature?
A I only
B II & III
C II only
D I & II
Few processes are given below along with one word used for the change involved. Which of the given terms does not match with the process?
A The perfume from the bottle that you left open last evening was empty in the morning. - Evaporation
B You put a lid on the cup containing hot tea, the inside of the lid gets wet. - Condensation
C You took out few ice cubes from the freezer and put in a glass. After some time, there was only water, no ice. - Sublimation
D The sweetened milk which you kept in the freezer last night has become ice cream now. - Freezing
Search for C and then see
Which of the following mirrors is/are used in solar cooker?
DBoth A and B
Why cant we use plane mirrors ,because this will distribute light equally instead a Concave mirror will focus light at one point.
Which diagram best represents the path taken by a ray of monochromatic light as it passes from air through the materials shown?
The graph shows Gaurav's marks for
Mathematics. If Gaurav's total score was
336, how many more marks did he score
in class test than in first term?
his marks in class test are not given. how can we find the answer ?