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Which of the following is not a property of cobalt?

Which of the following is not a property of cobalt? Correct Answer It is attacked by alkalies

Cobalt is a lustrous white metal which is not attacked by alkalies. Cobalt is ductile and malleable. The specific gravity of cobalt is 8.8.

Related Questions

Consider the following statements: 1. HSS tools wear very rapidly, whereas in cemented carbide tools, even though hardness is retained, crater wear can occur due to solid-state diffusion. 2. Cutting tools made of Super-HSS, also known as cobalt-based HSS, are made by adding 2% to 15% of cobalt which increases the cutting efficiency at heavier cuts by increasing the hot hardness and wear resistance. 3. Tools failure due to excessive stress can be minimized by providing small or negative rake angles on brittle tool materials, protecting tool tip by providing large side-cutting edge angles, and honing a narrow chamfer along the cutting edge. Which of the above statements are correct?
Cemented carbide cutting tools are
P. made by casting
Q. made of mainly WC and cobalt
R. made of Fe3C and cobalt
S. made by liquid phase sintering
The propositions are
1. The general property in goods can be with one person while the special property in the same goods be with the another person.
2. The transfer of general property in goods to one person can be done subject to a special property in the same goods in another person.
3. The special property in goods can be only with the person having general property in goods.
In respect of the aftersaid proposition which of the following is true
According to Mr. Sharma’s will, half of his property goes to his wife and the rest is equally divided between his two sons, Ravi and Raj. Some years later, Ravi dies and leaves half of his property to his widow and rest to his brother Raj. When Raj dies, he leaves half of his property to his widow and remaining to his mother, who is still alive. The mother now owns 88,000 worth of the property. The total worth of the property of Mr. Sharma was
Anjum is counting his last days, he keeps half his property for his wife and divides the rest equally among his three sons: Bimar, Cumar and Danger. Some years later, Bimar dies, leaving half his property to his widow and half to his brothers, Cumar and Danger together, sharing equally. When Cumar makes his will, he keeps half his property for his widow and the rest he bequeaths to his younger brother Danger. When Danger dies some years later, he keeps half his property for his widow and the remaining for his mother. The mother now has Rs. 1575000. What was the worth of the total property?
Captain Jack Sparrow, on his death bed, keeps half his property for this wife and divides the rest equally among his three sons: Barbossa, Will Turner and Dave. Some years later, Barbossa dies leaving half his property to his widow and half to his brothers Will Turner and Dave together, sharing equally. When Will Turner makes his will, he keeps half his property for his widow and the rest he bequeaths to his younger brother Dave. When Dave dies some years later, he keeps half his property for his widow and the remaining for his mother. The mother now has Rs. 1,575,000.What was the worth of the total property?
A man gave 30% of his property to his first son. Of the remaining property, he gave 30% to his second son. Then to his third son, he gave 30% of the remaining property. The left property was given to the fourth son. The fourth son received what percentage of the total property?
The average value of property of Mittal, Ambani and Singhania is Rs.11111 crore. The property of Singhania is as less than the property of Mittal is greater than the average property of both the Singhania and Mittal. The value of property of Ambani is :
The average value of property of Agil, Mugilan and Anithais Rs. 130cr. The Property of Agil is 20cr greater than the property value of Mugilan and Anitha property value is 50cr greater than the Agil property value. The value ofproperty of Anitha is
A', on 9th January, 2015 agrees to sell his immovable property to 'R' and out of the total sale consideration of Rs. 3,00,000/- receives a sum of Rs. 1,00,000/- from 'B' as advance payment and agrees to vacate the property and handover vacant peaceful physical possession thereof to 'B' and to execute the Sale Deed of the property in favour of 'B' on receipt of balance sale 'consideration' on or before 9th July, 2015. 'A' fails to vacate the property or to execute the Sale Deed or to deliver possession of the property to 'B'. 'B' after waiting patiently till 31st January, 2016, on 1st February, 2016 got issued a legal notice to 'A' to take the balance sale consideration and execute the Sale Deed and deliver vacant peaceful physical possession. 'A' vide his reply received by 'B' on 17th February, 2016 denies the agreement. The limitation of three years available to 'B' for instituting a suit for specific performance is: