2018年湖北省荆门市中考理综试?- 百度文库

1ͼף򡢹λù̶ƶ͸͸ڢ٢λ

ʱ϶ܵõڢλڢλʱϵõ ѡϴ󡱻򡰽С

2͸͹λù̶󣬷ôƶ϶ܵõ

񣨹㹻ΪϵõӦ͹͸ ѡԶ롱ƶһЩϵõ͹͸ֽסϽõ ѡһ롱΢ƣϵ ѡơơ 3ͼңѡϡ״ڹ͹͸֮䣬Ϲ۲쵽

״ A.

B

C

D

324֣ͼʾװоӰ컬ĦСء

1ʵоõ

2ʵзҪľ˶ѣͼʾװã

ĹУɲ ѡABʾӳľľĻĦС

3ʵ鲿±ҪоĦӴѹĹϵӦѡõڢ

͵ ݣȽϵڢ͵ڢݣԿĦĴСľĴС

ۺԾ 9ҳ16ҳ ʵ ľmӴֲڳ̶ ɲƵĵɲ---------------- ------------- g FAʾN ƵFBʾ--------------------N 200 ϴֲ 2.00 0.40 ˢ 200 ֲ 2.00 0.70 -------------------- 300 ϴֲ 2.00 0.60 200 ϴֲ 2.40 0.40 33.6֣µĸɵءѹءɡھáֵR1ֵʵУ

----------------------------------------

1㰴ͼʾĵ·ͼԱʻߴ浼ߣͼеĵ· 2ʵǰΪ˱·ĻƬӦ ˣѡA

B

--------------------3պϿأضƬPֵʼʾѹʾ

ԭ ţ A.·

B.Rx·

C.Rx·

⣨4ųϺ󣬵ѹʾΪ2.7 VʱʾͼʾͨRx

--------------------СΪ ֵ 5ʵҪβȡƽֵΪ

34.6֣оֵ¶ȵ߶󣬵¶޵߶Сݵһ˵¶ȼƣͼijµ --------------------·֪ԴѹΪ6 Vұֲ䣬R0Ϊֵ裬RtΪ裬ֵ¶ȱ仯Ĺͼʾ

ۺԾ 10ҳ16ҳ Ч

1¶40ʱʾΪ0.2 AʱRtĵĵ繦ʣ 2R0ĵֵ

3Ϊ00.3 A¶ȼܲ¶Ƕ٣

35.6֣һ2 tƽֱ·Զ80 kWӾֹʼ˶l5 s˶200 mǡôﵽٶȣ˶25 sرշ100 mͣ¡ͩtͼͼʾ֪˶ܵǡΪص0.2 1зĹ 2ٶȦ 3ȫƽٶȦ͡

36.6֣ѧʹǵḻʣдлѧûѧ֪ʶش⣺

1O2?Ľṹʾͼ

2Ũ᲻մƤϣӦôˮϴȻͿ3%-5%

ƣҺ

(3)Ҵ______ܡ򡰲ܡ (4)ɱ_______ǡߡǡ

(5)ˮʱNaOHǿԣڵNaOHӦ

ҺPH 󡱡Сߡ䡱

ۺԾ 11ҳ16ҳ (6)ˮӦþᷴӦ ųա 37.7֣HCNONaClKCaѡȡԪأúʵĻѧա

(1)֪NO-2N?NO2?3мӵNĻϼ (2)210ӵ

(3)ĵζƷ ѧʽ¾ͬ (4)Ϸʵ

(5)ʵпMnO2߻O2 2Ԫأ

3Ԫأ

(6)Ƽ

38.6֣AIΪлѧʣ֮תϵͼֲZȥ֪AθҪɷ֣BǴʯҪɷ֣DΪҺ壬FΪ壬

IAӦɸΪ1

:2?2ۡ?3Ρ

(1)дʵĻѧʽC H

(2)٢ڢۢܢڻϷӦ ڷֽⷴӦ (3)дGHĻѧӦʽ (4)дIAӦĻѧӦʽ 39.6֣ʵ̽⣺

֪ijϽ˺̼⣬йеһ֣ijѧȤСԸϽŨȤ̽Ǻй軹ʵҪõԼᡢNaOHҺ ϡ

費ᷴӦNaOHҺӦ: Si+2NaOH+H2O=Na2SiO3+2H2?NaOHҺӦNaAlO2H2NaOHҺӦĻѧʽΪ

ۺԾ 12ҳ16ҳ

-------------롿

---------------- һϽ˺̼⣬й衣 ڲϽ˺̼⣬ --------------------ʵ鲽輰

ȡһϽ𣬼 ַӦ󣬺Ͻ𲿷ܽ⣬ɫ

ˢȡе ַӦܽ⣬--------------------ų

ʵۣ ȷʵΪ ȷ

40.4֣⣺ijƷܺNaClNaHCO3Na2CO3еһ֡--------------------֡ijȤСȡ100 gϡᷴӦ,ͨijʯˮɳ100 gȻȡƷˮܽ⣬ټ

CaCl2ɳ50 g֪NaHCO3CaCl2Ӧ

(1)ùƷɷ

--------------------(2)ùƷNa2CO3Ϊ д̣

41.4֣СʳеĻƽ֮ƣҹҪ֮һռ--------------------ײ20%ҹרǺĽӽסײȫع㷺ֲ

1ͨòĵҪӵУͨ

ʿӣȻϵμ --------------------֤

2ͨ˵ӣƤ͹Ƥڷȫϣ

ʵǹʵ

ޣ3ʱڣͼl2ṹĺǿ 

--------------------ڡڡСڡҶƬĺǿȡ

4׵ҶƬ뾥ļнС˷ƽչֲ以ڹȱ㣬

׵ Чʡ

ۺԾ 13ҳ16ҳ Ч424֣ͳҽΪΪ֮һ˵ѪԭҺƷҪʺλ/100ͼΪһλṹģʽͼ16ʾṹƣͼش⣺

A B C ˮ 98 90 96 _ 0.1 0.1 0 ____޻ 0.9 0.9 1.1 _____ ___ 0.03 7.5 0 ___ 0.03 0.03 1.8 __1γҺĻλλͼۣλ ͼ

_ _ _ _ţɡ

_ _____2ݷƷC

___ _ _3ijͬѧһϽصʱѪ˿ֲܳIJλ

_ ______[ ]

______4ABǺΪ0.1/100ԭ _______43.4֣ͼΪijũũ̬ϵͳвʳͼش ___1ˮӲ֮Ϊ ϵ

_ _ _ 2벶ȸں󡱣ӳ֮뱻

____Ĺϵдij̬ϵͳйɵʳ ___3㡢ѼijомЩ

____̬ϵͳɳɷֵ

__У4ũ̬ϵͳеĹͶγ治Ҳᵼ¼

ѧҵ˵ũ̬ϵͳ Խ

44.4֣ijվǰҪԲִӽзѿʵIJⶨָũ֣ǹӷѿʲⶨʵ顣 ʵ鲽£

һȡֱΪ10 cm3ÿ24ʪɴΪABC顣

ۺԾ 14ҳ16ҳ

ֱоȵذ100ӣȻ3035ʪ

ÿ۲һΣ¼ӵȷ۲졣 ش⣺

1͹ԭܶijӷѿһʱͨȡļ

2ⶨӷѿʵļ㹫ʽΪѿ=

3ڲⶨӷʵĹУѡ鱾ʱӦ

4վijõʵΪA96%B98%C95%

ǸεļԱ㱨δӵķѿΪ

ۺԾ 15ҳ16ҳ ۺԾ16ҳ16ҳ

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