Answers Sources of air pollutants are Sources of air pollutants are A. industrial chimneys, burning fossil oils and river dam B. sulphur dioxide, acid rain and pesticides C. sulphur mines, vehicle exhausts and aerosols D. sewage, smoke and old vehicle Correct Answer: Option C Explanation
Answers What is the IUPAC name of the compound represented by the molecular formula NaCIO4? What is the IUPAC name of the compound represented by the molecular formula NaCIO4? A. Sodium tetraoxochlorate (l)… Read More
Answers The S.I units of frequency, period and amplitude of a wave are respectively The S.I units of frequency, period and amplitude of a wave are respectively A. hertz, second and centimeter… Read More
Answers regarding the consumer as the king who must be satisfied is the main emphasis of? regarding the consumer as the king who must be satisfied is the main emphasis of? A. marketing research… Read More
Answers Which of the following materials cannot be used for liming? Which of the following materials cannot be used for liming? A. gypsum B. basic slag C. chalk D.… Read More
Answers A group of organisms of the same kind inhabiting the same environment is called A group of organisms of the same kind inhabiting the same environment is called A. ecosystem B. habitat… Read More