Is ProMar 200 toxic?

Is ProMar 200 toxic? Inhalation : No known significant effects or critical hazards. Skin contact : No known significant effects or critical hazards. be dangerous to the person providing aid to give mouth-to-mouth resuscitation. quantities have been ingested or inhaled. Is ProMar
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Can esters be reduced with NaBH4?

Can esters be reduced with NaBH4? NaBH4 is less reactive than LiAlH4 but is otherwise similar. It is only powerful enough to reduce aldehydes, ketones and acid chlorides to alcohols: esters, amides, acids and nitriles are largely untouched. Do esters react with
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Did Annie actually sing in the movie?

Did Annie actually sing in the movie? In Wallis’ latest movie, a new film adaptation of the Broadway musical “Annie” that opens Friday, she acts, sings and dances in the title role. Her co-stars include Jamie Foxx, Cameron Diaz and Rose Byrne.
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When did silent films become talkies?

When did silent films become talkies? The gradual transition from silent films to talkies took place between 1926 and 1930 and included many small steps — both technological developments and adjustments to audience expectations — before it was complete. What was talkies
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