The earth absorb radiation in Visible range but emit radiation at the same rate in the: April 15, 2025 by admin A. Ultra voilet B. Gamma rays C. Infrared D. All of these
Atoms of all the elements always contain in nucleus: April 15, 2025 by admin A. Proton and neutron B. Neutron and electron C. Proton D. Neutron
Chemistry is given from ……language ? April 15, 2025 by admin A. Latin B. Greek C. Arabic D. None of theseChemistry, from the Greek word χημεία (khēmeia)…
A metallic atom loses its valence electron to form a/an _________? April 15, 2025 by admin A. an anion B. a cation C. an anion – cation D. none of these
An acid-Base Reaction is always a/an __________? April 15, 2025 by admin A. Endothermic B. Exothermic C. Fission D. Fusion
Which of the following statement is correct ? April 15, 2025 by admin A. size of Cl atoms > Cl- ion B. size of Na+ ion < Na atom C. size of Na atom < Na+ ion D. Cl- < Na+
Which one of the following statement is correct for urea ? April 15, 2025 by admin A. it is a synthetic fertilizer B. it is a natural fertilizer C. it provides micronutrients to the plants D. it is an inorganic water soluble compound
Which statement is incorrect ? April 15, 2025 by admin A. All the metals are good conductor of electricity B. All the metals are good conductor of heat C. All the metals form positive ions D. All the metals form acidic oxides
Atom is the smallest particall which is_________? April 15, 2025 by admin A. Indivisible B. Divisible C. Both D. Non of these
