Questions
What is the odour of ammonia gas?
What is the name of the blood vessel that carries blood from heart to lungs?
The use of AI in technology is not only making people's lives easier but bringing new challenges. Write a newspaper article about the challenges brought by the advancement of AI in technology.
Study the given table and answer the following questions.
Which element of them can form strong alkali?
Pseudo symbol of elements Q X Y Z Valence shell electronic configuration of elements 3s$^1$ 3s$^2$ 3s$^2$3p$^1$ 3s$^2$3p$^5$ - Rearrange them in the order of lesser metallic character.
- Clarify an element having the least atomic radius among them with reason.
External structure of the heart is shown in the given diagram.
- In which part of them, a stent is kept during angioplasty?
- Which part carries blood from heart to lungs?
- Which valve remains closed when C contracts?
- Which of them brings blood into the heart?
A man found 90 N weight of an object of 9 kg mass at a place. From the same place the object was dropped down for 2 s to reach on the ground assuming air resistance is zero;
- From what height did the object drop?
- If a stone of 500 g is dropped down from the same heights, how long does it take to reach the ground? Explain with reason.
If you are reducing a video of 6 minutes to 4 minutes, how do you complete the task? Write any four steps to be followed.
A type of defect of vision is shown in the diagram. Write any two causes of this defect. How can the defect be remedied? Show with diagram.
Write any four differences between RNA and DNA.
Define specific heat capacity. What is its unit? Write any two effects of heat.