Which gas is commonly used in fire extinguishers? Leave a Comment / Chemistry Mcqs A. CO2 B. 02 C. SO2 D. NO2
A……….certificate is a notice that guarantee a user or a web site is legitimate. Leave a Comment / Chemistry Mcqs, GK Mcqs / By Ahsan Ramay
Identify the correct spellings in the following set words: Leave a Comment / Chemistry Mcqs, GK Mcqs / By Ahsan Ramay