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【单选题】
以甲基橙为指示剂,用盐酸滴定液滴定Na2CO3 ,滴至溶液从黄色变成橙色时为终点,此时HCI与Na2CO3 反应的物质量之比为
A.
2:1
B.
1:1
C.
1:2
D.
以上都不对
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参考答案：
举一反三
【单选题】下列那些营养素属于非产热营养素
A.
维生素
B.
化合物
C.
脂肪
D.
蛋白质
查看完整题目与答案
【单选题】) is a instrument that order by the drawer or maker, directing a bank to pay a sum of money at sight unconditionally to the specific person or the check holder.
A.
draft
B.
promissory note
C.
cheque
D.
futures
查看完整题目与答案
【判断题】At 30 days after sight pay to the order of Bank of China the sum of two hundred thousand US dollars drawn under LC No. 1234 issued by Bank of New York dated on 20, August, 2004.
A.
正确
B.
错误
查看完整题目与答案
【判断题】At sight pay to the order of A Co. the sum of one hundred thousand Japanese Yen drawn against shipment of 20 bales of cotton from Guangzhou to Tokyo.
A.
正确
B.
错误
查看完整题目与答案
【简答题】No. For BILL OF EXCHANG Date At sight of this SECOND BILL of EXCHANGE ( first of the same tenor and date unpaid ) pay to the order of the sum of Drawn under L/C No. Dated To.
查看完整题目与答案
【多选题】下列维生素那些属于B族维生素( )。
A.
核黄素
B.
硫氨酸
C.
烟酸
D.
泛酸
查看完整题目与答案
【简答题】选词填空 An irrevocable L/C A confirmed L/C D/P at sight D/P after sight 1 _____________________ : By this method, we take “60 days after date of the draft”. For...
查看完整题目与答案
【简答题】D/P means documents can only be released to the importer when he has paid the amount on the draft. D/P can be divided into two kinds: D/P at sight and D/P after sight. The former means that payment sh...
查看完整题目与答案
【多选题】下列维生素那些属于维生素 B 族
A.
维生素 B 1
B.
维生素 B 2
C.
烟酸
D.
泛酸
E.
氰钴胺
查看完整题目与答案
【多选题】下列维生素那些属于维生素B族( )
A.
维生素B1
B.
维生素B2
C.
烟酸
D.
泛酸
E.
叶酸
查看完整题目与答案
相关题目：
【单选题】下列那些营养素属于非产热营养素
A.
维生素
B.
化合物
C.
脂肪
D.
蛋白质
查看完整题目与答案
【单选题】) is a instrument that order by the drawer or maker, directing a bank to pay a sum of money at sight unconditionally to the specific person or the check holder.
A.
draft
B.
promissory note
C.
cheque
D.
futures
查看完整题目与答案
【判断题】At 30 days after sight pay to the order of Bank of China the sum of two hundred thousand US dollars drawn under LC No. 1234 issued by Bank of New York dated on 20, August, 2004.
A.
正确
B.
错误
查看完整题目与答案
【判断题】At sight pay to the order of A Co. the sum of one hundred thousand Japanese Yen drawn against shipment of 20 bales of cotton from Guangzhou to Tokyo.
A.
正确
B.
错误
查看完整题目与答案
【简答题】No. For BILL OF EXCHANG Date At sight of this SECOND BILL of EXCHANGE ( first of the same tenor and date unpaid ) pay to the order of the sum of Drawn under L/C No. Dated To.
查看完整题目与答案
【多选题】下列维生素那些属于B族维生素( )。
A.
核黄素
B.
硫氨酸
C.
烟酸
D.
泛酸
查看完整题目与答案
【简答题】选词填空 An irrevocable L/C A confirmed L/C D/P at sight D/P after sight 1 _____________________ : By this method, we take “60 days after date of the draft”. For...
查看完整题目与答案
【简答题】D/P means documents can only be released to the importer when he has paid the amount on the draft. D/P can be divided into two kinds: D/P at sight and D/P after sight. The former means that payment sh...
查看完整题目与答案
【多选题】下列维生素那些属于维生素 B 族
A.
维生素 B 1
B.
维生素 B 2
C.
烟酸
D.
泛酸
E.
氰钴胺
查看完整题目与答案
【多选题】下列维生素那些属于维生素B族( )
A.
维生素B1
B.
维生素B2
C.
烟酸
D.
泛酸
E.
叶酸
查看完整题目与答案
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