Electric bulb
Electric motor
Radio
X-ray machine
William Frederick is credited with the invention of the modern Frisbee in the mid 1950s. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbee who was a _?
Wilting in plants occurs because of
Wood is the main raw material for the manufacture of
Wood Spirit is which of the following ?
X-rays cannot pass through
Xenobiotics which are inherently resistant to microbial attack are called as
Yeasts moulds are examples of
Zener- diode is used as :
Zinc sulphide is commonly used as
ZnSO,4⋅7H2O is the chemical formula of which substance ?
