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प्रश्न
Complete and balance the following chemical equation:
\[\ce{K2Cr2O7 + H2SO4 + H2S ->}\] ______ + ______ + ______ + ______
रासायनिक समीकरणे/रचना
रिकाम्या जागा भरा
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उत्तर
\[\ce{K2Cr2O7 + 4H2SO4 + 3H2S → {\underline{\ce{K2SO4}}} + {\underline{\ce{Cr2(SO4)3}}} + {\underline{\ce{7H2O}}} + {\underline{\ce{3S}}}}\]
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