Answers Which of the following contains co-ordinate covalent bond? Which of the following contains co-ordinate covalent bond? A. HCI B. CH 4 C. NH4 D. Na+CI Correct Answer: Option C Explanation
Answers Stars tend to from cluster known as Stars tend to from cluster known as A. satellites B. adromeda spiral C. planets D. galaxies E. solar… Read More
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Answers Berne union is also known as Berne union is also known as A. International Credit Union B. International Documentry Credit C. International Union of… Read More
Answers Which of the following acids would readily react with CaCO3 to liberate CO2? Which of the following acids would readily react with CaCO3 to liberate CO2? A. CH3COOH B. H2SO4 C.… Read More