
理化小考
Quiz
•
Chemistry
•
8th Grade
•
Hard
Alice Chen
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列化學反應中,何者不會產生二氧化碳氣體?下列化學反應中,何者不會產生二氧化碳氣體?
呼吸作用
雙氧水分解
碳酸氫鈉受熱
大理石和稀鹽酸反應
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
市面上有一種暖暖包的主要成分是鐵粉和食鹽,使用時因暴露在空氣中吸收水分,而食鹽會加速鐵的氧化使溫度上升,故可作為熱敷之用。根據以上事實可判斷鐵生鏽是屬於下列何者?
吸熱的化學變化
放熱的物理變化
吸熱的物理變化
放熱的化學變化
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在0℃冰塊熔化成0℃水的過程中:
放出能量,溫度下降,屬於化學變化
放出能量,溫度不變,屬於物理變化
吸收能量,溫度上升,屬於化學變化
吸收能量,溫度不變,屬於物理變化
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列反應中,最適合以氣泡來觀察是否發生化學變化的為哪一反應?
碳酸鈉+氯化鈣
氫氧化鈣+二氧化碳
鹽酸+碳酸鈣
硫酸+氫氧化鈉
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在碳酸鈉溶液中,慢慢滴入氯化鋇溶液,混合溶液中產生白色物質,使水溶液由澄清變混濁,則此物質可能為何種物質?
氯化鈉
碳酸鈣
氧化鈣
碳酸鋇
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
依據反應物、產物和熱量的關係,將反應分為以下兩類: ①:反應物 ─→ 產物+熱量(能量) ②:反應物+熱量(能量)─→ 產物 已知煙火爆炸會發出光和熱,下列關於「煙火爆炸」的反應分類說明,何者正確?
與酸鹼中和一同歸類屬於①
與酸鹼中和一同歸類屬於②
與光合作用一同歸類屬於①
與光合作用一同歸類屬於②
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
詩詞乃是古人為我們留下的珍貴寶藏,充實我們的精神內涵,下列各選項的詩句中何者與化學變化無關?
春蠶到死絲方盡,蠟炬成灰涙始乾
爆竹聲中一歲除,春風送暖入屠蘇
何意百煉鋼,化為繞指柔
風吹柳花滿店香,吳姬壓酒勸客嘗
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