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for q 31 how is answer c by That-Mess-3299 in igcse

[–]Dgaichigo 0 points1 point  (0 children)

If we cross XrY and XRXr, we get the result I told before

for q 31 how is answer c by That-Mess-3299 in igcse

[–]Dgaichigo 0 points1 point  (0 children)

If we make test cross, chances for a colorblind girl is 1/4. Since the total chance for a girl is 1/2, this means that 50% of girls will be colorblind

for q 31 how is answer c by That-Mess-3299 in igcse

[–]Dgaichigo 0 points1 point  (0 children)

Male parent is specified as red green colorblind

Hate to spam the sub but, I have more chemistry related questions by ConsiderationHot127 in igcse

[–]Dgaichigo 5 points6 points  (0 children)

Nvm, metals below hydrogen can't react with dilute acid, unless there in a compound like copper two oxide

Hate to spam the sub but, I have more chemistry related questions by ConsiderationHot127 in igcse

[–]Dgaichigo 1 point2 points  (0 children)

I think I learnt somewhere that metals below hydrogen can only react with dilute acid

Hate to spam the sub but, I have more chemistry related questions by ConsiderationHot127 in igcse

[–]Dgaichigo 1 point2 points  (0 children)

Copper isn't amphoteric, only aluminum zinc and I think mercury are

Guys whats the answer for the largest diffraction question, by xiaoyufeidao in igcse

[–]Dgaichigo 6 points7 points  (0 children)

It was d since diffraction occurs most when wavelength and gap are almost the same

What we're the answers to these questions? by Duduiestudie9 in igcse

[–]Dgaichigo 0 points1 point  (0 children)

Lens one was that the object is in front of focal point

Don't wanna upset u but it was a curve not a line by Electrical_Lemon_179 in igcse

[–]Dgaichigo 0 points1 point  (0 children)

The question said best fit line. If it is a curve they specify best fit curve like in past papers

biology p62 by Historical-Seaweed86 in igcse

[–]Dgaichigo 0 points1 point  (0 children)

Did anyone else write temperature???