Complete the following table.
| u (m/s) | a(m/s2) | s(m) | v2 = u2 + 2 as (m/s)2 |
| 4 | 3 | ____ | 8 |
| ____ | 5 | 8.4 | 10 |
Concept: Motion and Rest
Distinguish between Weather and climate.
Concept: Weather and Climate
Write note.
Climatic factors
Concept: Weather and Climate
Complete the statement using the given options and justify the statement.
Of the abiotic factors that affect biodiversity by far the most important is ______.
Concept: Weather and Climate
Complete the statement using the given options and justify the statements.
A description of the climatic conditions of short duration in a particular area is ______.
Concept: Weather and Climate
Complete the statement using the given options and justify the statement.
Irrespective of the progress of human beings, we have to think about ______.
Concept: Weather and Climate
Complete the statement using the given options and justify the statement.
Establishments where various climatic factors are recorded are called ______.
Concept: Weather and Climate
Complete the following Chemical reaction.
........+....... → CO2 + 2H2O + Heat
Concept: Carbon: a Versatile Element
Complete the following Chemical reaction.
2 NaOH + CO2 → ........+........
Concept: Carbon: a Versatile Element
Complete the following Chemical reaction.
..........+......... →CH3Cl + HCl
Concept: Carbon: a Versatile Element
Complete the following table.
| u (m/s) | a (m/s2) | t (sec) | v = u + at (m/s) |
| 2 | 4 | 3 | ____ |
| ____ | 5 | 2 | 20 |
Concept: Motion and Rest
Complete the following table.
| u (m/s) | a (m/s2) | t (sec) | s = ut + `1/2`at2 (m) |
| 5 | 12 | 3 | ____ |
| 7 | ____ | 4 | 92 |
Concept: Motion and Rest
Give reason for the following.
Hydronium ions are always in the form H3O+.
Concept: Ionic Compounds
Write down the changes that will be seen in the instance and explain the reason behind it.
Magnesium oxide was added to dilute HCl and magnesium oxide was added to dilute NaOH.
Concept: Ionic Compounds
Give examples of the importance of climate in the living world with explanations, in your own words.
Concept: Importance of Weather in the Living World
Water in the waterfall flows from a higher level to the lower level because of ____________.
Concept: Potential and Potential Difference
The differences between the electrostatic potential of the positive end the negative end of an electric cell is the __________ of the cell.
Concept: Potential and Potential Difference
Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be ________ V.
Concept: Potential and Potential Difference
Electric cells having 2 V potential difference each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases ?
(i)
(ii)
Concept: Potential and Potential Difference
Give scientific reasons.
It is easier to stop a tennis ball as compared to a cricket ball when both are travelling with the same velocity.
Concept: Speed and Velocity
