Question

the compound which will liberate carbon dioxide on treating with dilute sulphuric acid is
a) mgcl2
b) Na2so3
c) Na2co3
d) Na2so4​

Answer 1

Answer:

sodium carbonate

(d) When sulphuric acid is added to sodium carbonate it liberates carbon dioxide which produces brisk effervescence.

Answer 2

Answer:

1.mian-State whether the following statements are True or False:-

1. An Operating system acts as an interface between the user and the hardware _______.

2. Notification area is located on the extreme left of the Taskbar _________.

3. In GUI based operating systems, users had to write text-based commands to

perform any task on a computer _________.

4. Operating system keeps track of memory usage and allocates and

deallocates memory space as needed _________.

5. We can create virtual desktops on Windows 10 _______.

6. The Start Menu has options that let you view all apps or programs _______.

Explanation:

1.mian-State whether the following statements are True or False:-

1. An Operating system acts as an interface between the user and the hardware _______.

2. Notification area is located on the extreme left of the Taskbar _________.

3. In GUI based operating systems, users had to write text-based commands to

perform any task on a computer _________.

4. Operating system keeps track of memory usage and allocates and

deallocates memory space as needed _________.

5. We can create virtual desktops on Windows 10 _______.

6. The Start Menu has options that let you view all apps or programs _______.