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ऊष्मा रसायन (Thermo chemistry) on December 15, 2024 All compition exam alp technician railway and ssc exam most important questions of exam +
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गैसों के सामान्य गुण (Properties of gases) chemistry questions part 10 on December 12, 2024 All compition exam alp technician railway and ssc exam most important questions of exam +
संयोजकता तुल्यांकी भार और परमाणु भार (Valency, Equivalent weight and atomic weight ) chemistry on December 11, 2024 All compition exam alp technician railway and ssc exam most important questions of exam +