Question

Section
Fill in the blanks
1. Yellow colour of urine is due to_______
2.gas is produced when an acid reacts with a metal
3. ___ is also known as soda lime
4. Coil of an electric heater is made up of_______
5. Volt/ampere is the unit of______
6. Cockroach has_______ respiratory system.
7. Phenolphthalein turns_____in________
medium​

Answer 1

Explanation:

1. urocrome
2. hydrogen
3. caustic soda
4. metal alloys
5. electric current
6. tracheal system
7. colourless in acidic or neutral medium.