Vulcanised rubber is used to make car tyres. What is added to the rubber in the process?

Ahmad wants to prevent the coagulation of latex. Which of the following should be added to maintain the latex in liquid form?

Which of the following is the process to produced vulcanised rubber?

Name the process   $1\rightarrow3$    

Name the process.

What is the type of microorganism?

Which of the following pH values allows micoorganism to grow rapidly?

Which of the following is the most suitable temperature for bacteria to grow?

Name the process $3\ \rightarrow\ 1$  

API is Air Pollution Index.

What is the effect of high API to human?

Dengue fever is caused by...

Can antibiotics used to treat dengue fever?

What is the best method to decrease the rats population in a farm?

Animal fat is not good for health. Name the disease caused by highly intake of animal fats.

The water pipe is made from...

Choose ONE advantage of using this water pipe.

The cups are made of thermoset. What is it?

What is used to make the onions last longer?

Choose the radiations used to kill the bacteria in the onions.