Which is the correct equation for the reaction of calcium oxide and water? A. CaO+H₂O=Ca(OH)₂ B. CaO+H₂O=CaOH₂ C. 2CaO+H₂O=Ca₂(OH)₂ D. CaO+2H₂O=Ca(OH)₂ 相关知识点: 试题来源: 解析 A。氧化钙(CaO)和水(H₂O)反应生成氢氧化钙(Ca(OH)₂),化学...
Which of the following is the correct equation for photosynthesis? A. carbon dioxide + water -> oxygen + glucose B. oxygen + water -> carbon dioxide + glucose C. carbon dioxide + glucose -> oxygen + water D. oxygen + glucose -> carbon dioxide + water ...
Which of the following is the correct ionic equation for the reaction between hydrochloric acid and sodium hydroxide? A. H⁺ + Cl⁻ + Na⁺ + OH⁻ = H₂O + NaCl B. H⁺ + OH⁻ = H₂O C. HCl + NaOH = NaCl + H₂O D. HCl + OH⁻ = H₂O + Cl⁻ ...
Which of the following is the correct chemical equation for the reaction between hydrogen and oxygen? A. H₂+O₂=H₂O B. 2H₂+O₂=2H₂O C. H₂+2O₂=2H₂O D. 2H₂+2O₂=4H₂O 相关知识点: 试题来源: 解析 B。氢气和氧气反应生成水,化学方程式为 2H₂+O₂...
Which of the following is a correct chemical equation for the decomposition of hydrogen peroxide? A. H₂O₂ = H₂ + O₂ B. 2H₂O₂ = 2H₂O + O₂ C. H₂O₂ + O₂ = H₂O D. H₂O₂ + H₂ = H₂O + O₂ 相关知识点: 试题来源: 解析 B。过...
Which chemical equation is correct? A. 2H₂+O₂=2H₂O₂ B. 2H₂+O₂=2H₂O C. Fe+HCl=FeCl₂+H₂ D. Cu+HCl=CuCl₂+H₂ 相关知识点: 试题来源: 解析 B。本题考查化学方程式的正确书写。A 选项中氢气和氧气反应生成的是水(H₂O)而不是过氧化氢(H₂O₂)。C 选项...
A.Assets +liabilities= Opening capital –drawing +profitB.Assets +liabilities= Opening capital +drawing –profitC.Assets -liabilities= Opening capital –drawing +profitD.Net assets + liabilities=Closing capital相关知识点: 试题来源: 解析 C 反馈...
A. Subtract 9 from both sides B. Add 9 to both sides C. Divide both sides by 4 D. Multiply both sides by 4 相关知识点: 试题来源: 解析 A。对于方程 4x + 9 = 21,首先应两边同时减去 9,得到 4x = 12。选项 B 操作错误。选项 C 是第二步。选项 D 不是正确的第一步。反馈 收藏 ...
百度试题 结果1 题目Which equation is correct? ( ) 相关知识点: 试题来源: 解析 A √22=√4=2; √22=√4=2; √42=√16=4; √42=√16=4.反馈 收藏
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供Which of the following is the correct accounting equation.A.Assets +liabilities= Opening capital –drawing +profitB.Assets +liabilities= Opening capital +drawing –profitC.Assets -lia