what types of poison gas were used in ww1

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what types of poison gas were used in ww1	1.92	0.8	7445	86	41
what	0.16	0.2	9356	46	4
types	0.04	0.4	2100	63	5
of	1.28	0.7	8982	6	2
poison	1.85	0.2	7734	25	6
gas	1.1	0.7	1485	69	3
were	0.86	0.2	3469	64	4
used	1.65	1	5233	66	4
in	0.74	0.8	6898	65	2
ww1	0.16	0.5	5894	46	3

Keyword	CPC	PCC	Volume	Score
what types of poison gas were used in ww1	1.71	1	8093	22
what is poison gas in ww1	0.47	0.6	2365	98
toxic gas used in ww1	1.94	1	5810	93
poison gas used in ww2	1.55	0.3	4034	56
how poison gas was used in wwi	1.96	0.3	3419	2
poisonous gases in ww1	0.41	1	721	17
poison gas ww1	0.97	0.3	989	96
how was poison gas used in ww1	1.19	0.1	526	44
how did poison gas impact ww1	1.95	0.9	8193	79
when was poison gas first used in ww1	1.23	0.7	5843	74
how did poison gas change ww1	1.28	0.6	4439	3
what was poison gas used for in ww1	0.83	0.5	5702	16
who invented poison gas in ww1	0.1	0.6	7169	55
poison gas in ww1 facts	1.48	0.4	6448	13
poison gas in ww1 definition	0.72	0.7	4569	21
poison gas in ww1 quizlet	1.91	0.2	6957	37
poison gas in ww1 impact	0.55	0.2	3622	16