A. Explosives
B. Insecticides
C. Fungicides
D. Synthetic Detergents
✅ The correct answer is option D.
Which of the following group characterizes alcohols?
A. OH group
B. COOH group
C. COO group
D. CO group
✅ The correct answer is option A.
Which among the following is not a use of Graphite?
A. making of electrodes
B. lubricant
C. manufacturing of crucibles,
D. Glass cutting
✅ The correct answer is option D.
Water at 4 degree centigrade has____?
A. minimum density
B. maximum density
C. No density
D. None of the above
✅ The correct answer is option B.
To keep the hot glass item‘s finishing and transparency , they go through a process called annealing. This process involves _______?
A. cooled rapidly
B. cooled very slowly
C. cooled slowly and uniformly under controlled environment
D. heating rapidly
✅ The correct answer is option C.
Bleaching Powder is a compound of _______?
A. Calcium
B. Sodium
C. Magnesium
D. Sulphur
✅ The correct answer is option A.
Graphite, Carbon and Diamonds are _________?
A. Isotopes
B. Isomers
C. Isotones
D. Allotropes
✅ The correct answer is option D.
Galena & Litharge are ores of which of the following metals?
A. Mercury
B. Zinc
C. Copper
D. Lead
✅ The correct answer is option D.
A molecule is a smallest part of matter which possesses all properties of original matter. A molecule is electrically _________?
A. Positve
B. Negative
C. either positive or negative
D. neutral
✅ The correct answer is option D.
A neutron , an electron, a proton and an alpha particle are moving with the same kinetic energy. Which of the following is correct order of their speeds?
A. Alpha Particle, Neutron, Proton, Electron
B. Electron, Proton , Neutron, Alpha Particle
C. Alpha Particle, Proton, Neutron, Electron
D. Neutron, Proton, Alpha Particle, Electron
✅ The correct answer is option A.