[dawid17]

So Im applying for a cleaning job which requires experience and use a lot of different chemicals. But I really have no any experience, they say if I give good impression on interview I should get the job since the manager its family friend.
I learnt in my engineering class about this: https://en.wikipedia.org/wiki/COSHH I will most likely say something about this in my interview.
They will ask for 100% for my strengths and weaknesses and previous experience which can be relevant for the work, what do you guys think would be a good idea to say to impress them?

[Malevolent]

Just be honest.
That's how any interview should be conducted after all.

I usually come up with them on the spot.

[YayHar]

Don't say "my biggest weakness is that I'm a perfectionist".

Please.

Don't do it.

[Industry]

Just be honest.
That's how any interview should be conducted after all.

I usually come up with them on the spot.

In most cases that would be a good idea, but we don't know if OP's honesty is truly suited for a job interview.

Be nice, always make eye contact, and NEVER try and memorise a script. You WILL screw it up and it WILL make the difference between getting the job or not. If you aren't an anti social person or an asshole, you should be just fine.

[Noisy]

Be careful what you say, You don't want to make out that you have 0 skill but you also want them to be aware that you're not fully experienced in that field but are able to easily learn and pick things up quickly.

[MMDD_1338]

Well whatever you say good luck with the interview!

[Riddick]

The most common question is about strengths and weaknesses. You need to focus on a weakness that you can turn into a strength. For example, "Some people would consider the fact that I have never worked in this field before as a weakness. However, being fast learner and open minded, I have no pre-conceived notions on how to perform my job. With this new work, I will have the opportunity to learn the job the way you want it done, not the way a different organization does it."

It shows that you're not dishonest, but you are self-aware. It also shows that you're not afraid of a challenge, but you can also see from their perspective as well.

You just have to say what you'd want to hear if you were hiring somebody, but never lie, if they find out you've lied you can be fired and it also takes much more effort to remember the lies.

[Allelujah]

If you want the job, LIE. If you're found out for lying, then lie even more. If caught again, just tell them: "instead of lying to you, I could be lying for you."

Actually, I have a video you should watch.