Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? 1825 1831 1828 There is no sure date 1825 1831 1828 There is no sure date ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1880s 1800s 1890s 1900s 1880s 1800s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions What drink was invented by Charles Leiper Grigg in 1929? 7-Up Hawaiian Punch Yoo-Hoo Pepsi 7-Up Hawaiian Punch Yoo-Hoo Pepsi ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Washing machine Blender Electric mixer Vacuum cleaner Washing machine Blender Electric mixer Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1960s 1970s 1980s 1950s 1960s 1970s 1980s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1900 1895 1874 1840 1900 1895 1874 1840 ANSWER DOWNLOAD EXAMIANS APP
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