A scientific experiment involving chemicals must be performed with precautions as chemicals can cause serious health problems like carcinogens causing cancer.
The laboratory attire of a lab includes a face mask to cover mouth, a pair of goggle to protect eyes, hand gloves to protect hand and a laboratory coat to protect body and clothes.
Since in the given question, the hand gloves and laboratory coat are missing, therefore, option-D will be considered the most valid answer.
